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1. Shard Calculation

Query:

Response:

Calculated Shard: 92 (from laksa157)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa092.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car","crawl_time":1775866941,"first_indexed_time":1489475415,"http_code":200,"src_unparsed":"com,wikihow!www,\/Increase-Fuel-Mileage-on-a-Car s443","src_root_hash":"12431216878206919092","history_drop_reason":null,"meta_title":"4 Ways to Increase Fuel Mileage on a Car - wikiHow","meta_descriptions":["As gas prices continue to climb, increasing the fuel mileage is the best way to protect your pocket book. Here are a few ways to spend less money on gas by increasing your car's efficiency in using it. Set the car tires to the proper..."],"attrs_boilerpipe_text":"Download Article\nDownload Article\nOptimizing Your Car\n|\nFuel Savings\n|\nYour Driving Habits\n|\nPlanning Ahead\n|\nQ&A\n|\nTips\n|\nWarnings\nAs gas prices continue to climb, increasing the fuel mileage is the best way to protect your pocket book.  Here are a few ways to spend less money on gas by increasing your car's efficiency in using it.\nProperly inflated tires can reduce fuel consumption by up to 3%.\n[1]\nYour tires also lose about 1 PSI per month, and when the tires are cold (e.g., in the winter),\n[2]\ntheir pressure will decrease due to the thermal contraction of the air. It is recommended to check tires at least monthly, preferably weekly. Having properly inflated tires will also help you avoid uneven wear on the tread.\n[3]\nSome fuel stations have automatic air compressors that stop at a predetermined level. (For safety, double-check pressure with your own gauge, especially if another is suggesting you add a surprisingly large amount of air.)\nSmall permanently-installed valve-stem extensions can allow filling without removing the caps, but check that they are not prone to jamming with foreign matter and leaking.\nRecommended inflation pressures are for cold tires; it is best to inflate first thing in the morning or you've driven less than two miles so your reading will be accurate. If you have been driving around for a while or it is hot outside, add 3 PSI. Inflate to the pressure recommended by your car's manual or the sticker on your driver-side doorpost. Be aware that the reading stamped on the tire is the maximum tire pressure, not the recommended.\nA properly tuned engine maximizes power and can greatly enhance fuel efficiency.\n[4]\nBeware, though, that many tuners will disable efficiency measures when tuning for power.\nBe sure you are keeping good spark plugs in the engine,\n[5]\nchanging the oil on time,\n[6]\nmaking sure the air filter is clean, etc.\n[7]\nAdvertisement\nA dirty filter will reduce fuel economy, or make the engine stall when idling.  Just like mowing dusty grass, driving dusty dirt roads will clog the air filter: avoid dust clouds.\n[8]\nThis will go a long way to enhancing fuel efficiency.\nGet the lightest car that will serve your needs. Weight is one of the biggest causes for loss of kinetic energy in non-hybrid cars. If you're not shopping for cars, then take any extra weight off of the one you're already driving. If seats that you don't use can be removed, take them out. If you use your trunk as a storage space for heavy things, find another place for them. An extra 100 pounds increases fuel consumption by 1–2%. (Weight is most important in stop-and-go driving.  In almost exclusively highway driving, it matters little:  once the car is up to speed, it need only push air out of the way.)  Don't remove things from the car that you need frequently; instead, make sure these are in the car and readily accessible because wasted trips to retrieve or replace them will be much worse than a little lower mileage.\nNarrow tires have less frontal area, thus reducing aerodynamic drag. Remember, however, that narrow tires have less traction as well (which is why race cars have such wide tires).  Do not get a tire that is incompatible with your wheels (use the size tires that came stock on the vehicle), and do not get smaller wheels unless your manufacturer approves.\nThese can increase fuel economy by a few percent.  However, the difference is not startling or a substitute for proper inflation.  It would be wasteful to replace the former tires with these before they are worn out.\nMake sure the oxygen sensors, engine emissions system, and evaporative emissions control systems are in good shape on fuel-injected cars.\nOften the \"check engine light\" coming on is an indication that there is a problem with one of these components. A damaged oxygen sensor may cause your car to have too rich of a fuel mixture, decreasing your fuel mileage by 20% or more.\nAdvertisement\nIf your fuel runs low, you could put stress on the fuel pump. However, 10 gallons (37.9 L)  of gas adds 60 pounds of weight. A half-full tank may increase your mileage.\n[9]\nThis can increase your gas mileage by up to 15% if you follow the manufacturer's instructions and recommended usage. Be aware that the usefulness of this is questionable: it may be unlikely that synthetic-oil \"additive\" would cause a car to work much less hard; it would not make the oil overall much less viscous, and circulating the oil is only a relatively small task for a car engine.\nNo two fuels are the same, and while \"discount\" brand fuel may save you a few cents per L or Gal, it can contain a higher percentage of ethanol, which burns at a faster rate. Compare the mileage between fuel companies and see what is best for your car.\n[10]\nTry to avoid using the air conditioner in stop-and-go city driving as it causes the engine to work hard and consume more fuel.\nHowever, studies show that at highway speeds cars get somewhat better mileage with the AC on and the windows rolled up. The drag caused by rolled down windows at high speed reduces fuel efficiency more than the AC.\n[11]\nIf you're trying to find a direct way to control the amount of gas you are using, monitor how hard your engine is working is key.\nA\/C, acceleration, and speed all, of course, affect work but these are not direct indicators. Try monitoring the R.P.M.s (or revolutions per minute) your engine is running at. It's like monitoring your pulse to find out how hard your heart is working  You will find that there are RPM ranges which are ideal for your car and others that are not.\nIf you find the engine is running at above 3000 R.P.M.s, it's possible you're accelerating at an unnecessarily a low gear. So, ease off the pedal and let the engine build up a higher speed at a lower RPM. The lower average RPM you travel the lower your work and this directly determines your gas mileage.\nHow do you monitor your RPM? Most cars have a left gauge next to the speedometer called the tachometer. It measures your RPM at x1000 which means if your gauge indicates halfway between 2 & 3, you're running at 2,500 RPM. A comfort\/efficient RPM zone is between 2,000 and 3,000 RPM; however, try to stay below 2,000 as much as possible and not much over 2,700 unless necessary, such as when you are moving uphill through a traffic light from a stopped position. This means you won't get above 40 mph (64 km\/h) and you'll achieve 50–55 mph (80–89 km\/h) in the city and up to 65 mph (105 km\/h) on the highway and still be running at 2,500 RPM.  Try to find your comfort\/efficient zone and perhaps you can get a few more M.P.G.s by watching how hard your engine is working!\nBe aware that some vehicles are monitored by x100.\nAdvertisement\n[12]\nIn most situations, using your cruise control reduces fuel consumption by maintaining a constant speed.\nThe faster you move, the harder your engine has to work to push through the air. Speeding can reduce fuel efficiency by up to 33%.  (Factors other than air resistance decrease fuel economy below about 60 mph (97 km\/h), so fuel economy is not a reason to go slower, but fuel economy decreases rapidly above that speed).\nEngines are most efficient with moderately high air flow (throttle) and at revolutions per minute (RPM)s up to their power peak (for small to mid sized engines this is generally somewhere between 4k to 5k RPM). In a manual transmission car, practice 'short shifting', or shifting to higher gears as soon as you reach your desired speed by skipping intermediate gears. For example, accelerate to 40 mph (64 km\/h) using 1st gear and 2nd gear, then shift directly to 4th (skipping 3rd), or if your engine can maintain your speed, to 5th. (Be aware that if you have to floor the accelerator pedal in 5th to maintain your speed, you should be in 4th!).\n[13]\nBraking wastes energy from fuel that you have already burned, and accelerating after braking consumes more fuel than driving at a constant speed.  On city streets watch ahead and coast when you see a red light or traffic jam ahead.\nIdling a vehicle wastes a significant amount of fuel. The best way to warm up a vehicle is to drive it slowly until it reaches proper operating temperature. However, in very cold weather it is still advisable to let the engine idle for about a minute or two before driving.\nSome cars get better mileage at specific speeds, usually 50 mph (80 km\/h). Your car's \"sweet speed\" is the minimum speed at which the car is running in its highest gear (watch for rpm drops as you accelerate to determine when your transmission is shifting into higher gears). For example, most Jeep Cherokees are best at 55 mph (89 km\/h), and Toyota 4Runners are best at about 50 mph (80 km\/h). Find your vehicle's \"sweet speed\" and pick your roads accordingly.\n[14]\nMake sure you enable overdrive if your car has an automatic transmission with overdrive,  except when towing very heavy trailers.\nOverdrive is by default enabled on the \"D\" on most shifters. Several cars have buttons on the shifter which allow you to turn off the overdrive gear. Don't turn it off except in specific circumstances it may be needed such as for engine braking downhill or failure to proceed uphill smoothly in overdrive.  Overdrive saves you gas mileage at higher speeds by using a higher gear in the transmission. For example, for every ¾ of a turn of the engine going into the transmission, the output of the trans is one.\nLook for a spot in the empty half of the parking lot.  Many people spend significant time idling and creeping, waiting for a \"close spot\" to open up.\nDon't stick to the bumper of the car directly in front of you.  You will brake more and accelerate more to keep that unnecessary and dangerously narrow gap.  Relax.  Hang back a bit. This also gives you a lot more room to play with when you are timing lights. When the driver ahead of you slams on his brakes, you can coast down and see if the light quick-changes green again (some do). You might even coast by his car as the light turns green and he has to accelerate from a dead stop.\nIf your route will allow it, try to make as few left turns as possible on the way to your destination (or right turns in countries with left-hand traffic). Stopping and waiting at an intersection to make a turn across the oncoming lane lets the engine run idle, which wastes gas, as does accelerating once again to make the turn.\n[15]\nAdvertisement\nKeep lists of needs that will require a trip and try to accomplish multiple objectives with each. This will not increase your fuel mileage (the number of miles your car moves for each gallon of gas), but it will help you drive less (which, in turn, means you use less gas).\nTake the route with the fewest stops and turns and least traffic. Take highways in preference to city streets when possible.\nMaintain a log over time of how many miles you go (the main odometer) and how much gas you put in (from the gas pump, including fractions).\n[16]\nPut it in a spreadsheet.  It will keep you focused, and other methods are inaccurate; you will never know for sure if you're saving fuel, wasting fuel or just seeing errors from gas pumps that stop pumping at different points, or fractions of miles being dropped off your 'trip' odometer when you reset it.\nAdvertisement\nSearch\nAdd New Question\nQuestion\nIf I drive my car 100 km per hour, can I expect good mileage?\nCommunity Answer\nYou can expect a pretty good mileage, although usually the best mileage can be achieved at around 80km\/h.\nQuestion\nIs it possible to get good gas mileage in a Jeep Wrangler?\nCommunity Answer\nYou can get probably about 26 MPG  going 45-55 MPH while drafting roughly 50 feet behind a semi-truck and constantly moving. Otherwise, if you are in a city environment or cruise on the freeway at 80 MPH, you'll be lucky to get more than 18 MPG.\nQuestion\nWhat is the sweet speed of Toyota Avanza auto gear car?\nCommunity Answer\nAs mentioned, while driving what at what speed your RPM is low.  The level of RPM at which the speed is more, but RPM is less, is the \"Sweet Speed.\"\nSee more answers\nAsk a Question\n200 characters left\nInclude your email address to get a message when this question is answered.\nSubmit\nAdvertisement\nYour fuel mileage depends mostly on your driving habits. Drive conservatively and you'll notice a difference.\nThanks\nIf your car has a roof rack, remove it if possible while not in use. If the entire unit can't be removed, take the cross bars off to reduce frontal area and drag.\nThanks\nKeep carbon deposits from building in your engine by revving the engine to high engine RPM's about once a week. Interstate on-ramps and overtaking vehicles are good times to do this.\nThanks\nShow More Tips\nThanks for submitting a tip for review!\nAdvertisement\nDriving slowly on the highway may be dangerous. It is usually illegal to drive more than 15 mph (24 km\/h) below the posted speed limit without having the emergency flashers activated.\nThanks\nBeware of quack remedies and testimonials about amazing savings.  Every magnet and wonder widget that was debunked in the 70's is back again to tempt a new generation.\nThanks\nBe careful when using oil additives, some can void a warranty.  Read the back of the packaging before use...or consult your vehicles' manufacturer.\nThanks\nDriving close to another car is *always* unsafe; \"drafting\", more so.  Driving close to another car also has legal ramifications.  Other dangers include the car in front: suddenly hit the brakes or stop, swerve to avoid something in the road, pass over something in the road that your car does not have enough ground clearance to go over, kick up road debris, have an accident. Always remain at a safe distance from traffic.\nThanks\nBeware of 'chipping' and other seemingly minor, yet significant vehicle modifications.  These will certainly void the warranty, and the wrong one can save fuel and damage expensive engine components for your trouble.\nThanks\nUsually a 3 second following distance is most effective for maintaining a safe following distance and to avoid road hazards even if they are hidden by the vehicle in front of you.\n[17]\nThanks\nAdvertisement\nReferences\nAbout This Article\nArticle Summary\nX\nTo increase fuel mileage on a car, make sure that your tires are properly inflated because that can increase your fuel efficiency by up to 3%. Similarly, make sure to complete regular maintenance on your car since a dirty air filter or old spark plugs will make the engine less efficient. To increase your fuel mileage while driving, try to avoid using the A\/C, which burns a lot of gas. You can also increase your fuel economy by using high-quality gasoline, which contains less ethanol and will last longer than the cheap stuff.\nTo learn how to change your driving habits to save fuel, keep reading!\nDid this summary help you?\nThanks to all authors for creating a page that has been read 1,189,957 times.\nReader Success Stories\nAnonymous\nAug 3, 2017\n\"It's just really helpful to get some answers about fuel efficiency in my SUV and what I can do to improve it.\n...\"\nmore\nDid this article help you?","attrs_markdown":"[Skip to Content]()\n\n[Quizzes](https:\/\/www.wikihow.com\/Quizzes)\n\n- [PRO](https:\/\/www.wikihow.com\/Pro)\n  [Courses Hot](https:\/\/www.wikihow.com\/Course\/Explore)   [Guides](https:\/\/www.wikihow.com\/Guides)   [Tech Help Pro](https:\/\/www.wikihow.com\/Tech-Help-Pro)   [Expert Videos](https:\/\/www.wikihow.com\/wikiHow:Videos-wikiHowPro)   [About wikiHow Pro](https:\/\/www.wikihow.com\/Pro)   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Learn why people **trust wikiHow**](https:\/\/www.wikihow.com\/wikiHow:Delivering-a-Trustworthy-Experience)\n\n- [Categories](https:\/\/www.wikihow.com\/Special:CategoryListing \"Special:CategoryListing\")\n- [Cars & Other Vehicles](https:\/\/www.wikihow.com\/Category:Cars-%26-Other-Vehicles \"Category:Cars & Other Vehicles\")\n- [Cars](https:\/\/www.wikihow.com\/Category:Cars \"Category:Cars\")\n- [Car Maintenance and Repair](https:\/\/www.wikihow.com\/Category:Car-Maintenance-and-Repair \"Category:Car Maintenance and Repair\")\n- [Vehicle Fuels and Fluids](https:\/\/www.wikihow.com\/Category:Vehicle-Fuels-and-Fluids \"Category:Vehicle Fuels and Fluids\")\n# [How to Increase Fuel Mileage on a Car](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n[![PDF download](https:\/\/www.wikihow.com\/extensions\/wikihow\/socialstamp\/images\/icon-pdf.svg) Download Article](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n**Co-authored by** [Ed Beery](https:\/\/www.wikihow.com\/Author\/Ed-Beery)\n\n[Last Updated: February 26, 2026](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)  [Approved](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n[![PDF download](https:\/\/www.wikihow.com\/extensions\/wikihow\/socialstamp\/images\/icon-pdf.svg) Download Article](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n- [Optimizing Your Car](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#Optimizing-Your-Car)\n- [Fuel Savings](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#Fuel-Savings)\n- [Your Driving Habits](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#Your-Driving-Habits)\n- [Planning Ahead](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#Planning-Ahead)\n- [Q\\&A](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#qa_headline)\n- [Tips](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#tips)\n- [Warnings](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#warnings)\n\n\\|Show more\n\n\\|Show less\n\nX\n\nThis article was co-authored by [Ed Beery](https:\/\/www.wikihow.com\/Author\/Ed-Beery). Ed Beery is an Automotive Specialist and the Owner of InTechgrity Automotive Excellence based in Denver, Colorado. With more than eight years of experience, he specializes in providing maintenance and repair services for both individuals and companies. Ed and the InTechgrity Automotive Excellence Team are approved by the American Automobile Association (AAA) for repairs and are Automotive Service Excellence (ASE) certified.   \n  \n There are [16 references](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#References) cited in this article, which can be found at the bottom of the page.   \n  \n wikiHow marks an article as reader-approved once it receives enough positive feedback. This article received 19 testimonials and 100% of readers who voted found it helpful, earning it our reader-approved status.   \n  \n This article has been viewed 1,189,957 times.\n\nAs gas prices continue to climb, increasing the fuel mileage is the best way to protect your pocket book. Here are a few ways to spend less money on gas by increasing your car's efficiency in using it.\n## Steps\nMethod 1\n\nMethod 1 of 4:\n\n### Optimizing Your Car\n\n[![PDF download](https:\/\/www.wikihow.com\/extensions\/wikihow\/socialstamp\/images\/icon-pdf.svg) Download Article](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n1. [![Step 1 Set the car tires to the proper inflation.](https:\/\/www.wikihow.com\/images\/thumb\/0\/09\/Increase-Fuel-Mileage-on-a-Car-Step-1-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-1-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-1-Version-2.jpg)\n   1\n   **Set the car tires to the proper inflation.** Properly inflated tires can reduce fuel consumption by up to 3%.[\\[1\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-1) X [Trustworthy Source](https:\/\/www.wikihow.com\/wikiHow:Delivering-a-Trustworthy-Experience) FuelEconomy.gov Official source for the U.S. government for fuel economy information [Go to source](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)   Your tires also lose about 1 PSI per month, and when the tires are cold (e.g., in the winter),[\\[2\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-2) X [Trustworthy Source](https:\/\/www.wikihow.com\/wikiHow:Delivering-a-Trustworthy-Experience) Consumer Reports Nonprofit organization dedicated to consumer advocacy and product testing [Go to source](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)   their pressure will decrease due to the thermal contraction of the air. It is recommended to check tires at least monthly, preferably weekly. Having properly inflated tires will also help you avoid uneven wear on the tread.[\\[3\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-3) X Research source\n   \n   - Some fuel stations have automatic air compressors that stop at a predetermined level. (For safety, double-check pressure with your own gauge, especially if another is suggesting you add a surprisingly large amount of air.)\n   - Small permanently-installed valve-stem extensions can allow filling without removing the caps, but check that they are not prone to jamming with foreign matter and leaking.\n   - Recommended inflation pressures are for cold tires; it is best to inflate first thing in the morning or you've driven less than two miles so your reading will be accurate. If you have been driving around for a while or it is hot outside, add 3 PSI. Inflate to the pressure recommended by your car's manual or the sticker on your driver-side doorpost. Be aware that the reading stamped on the tire is the maximum tire pressure, not the recommended.\n2. [![Step 2 Tune up the engine.](https:\/\/www.wikihow.com\/images\/thumb\/a\/a9\/Increase-Fuel-Mileage-on-a-Car-Step-2-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-2-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-2-Version-2.jpg)\n   2\n   **Tune up the engine.** A properly tuned engine maximizes power and can greatly enhance fuel efficiency.[\\[4\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-4)X [Expert Source](https:\/\/www.wikihow.com\/wikiHow:Delivering-a-Trustworthy-Experience) [![Ed Beery](https:\/\/www.wikihow.com\/images\/thumb\/e\/eb\/Ed_Beery.png\/-crop-100-100-100px-Ed_Beery.png)Ed Beery Automotive Specialist](https:\/\/www.wikihow.com\/Author\/Ed-Beery) Expert Interview  Beware, though, that many tuners will disable efficiency measures when tuning for power.\n   \n   - Be sure you are keeping good spark plugs in the engine,[\\[5\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-5) X Research source     changing the oil on time,[\\[6\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-6) X [Trustworthy Source](https:\/\/www.wikihow.com\/wikiHow:Delivering-a-Trustworthy-Experience) Consumer Reports Nonprofit organization dedicated to consumer advocacy and product testing [Go to source](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)   making sure the air filter is clean, etc.[\\[7\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-7) X [Trustworthy Source](https:\/\/www.wikihow.com\/wikiHow:Delivering-a-Trustworthy-Experience) FuelEconomy.gov Official source for the U.S. government for fuel economy information [Go to source](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n   Advertisement\n3. [![Step 3 Check the condition of your engine air filter.](https:\/\/www.wikihow.com\/images\/thumb\/7\/75\/Increase-Fuel-Mileage-on-a-Car-Step-3-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-3-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-3-Version-2.jpg)\n   3\n   **Check the condition of your engine air filter.** A dirty filter will reduce fuel economy, or make the engine stall when idling. Just like mowing dusty grass, driving dusty dirt roads will clog the air filter: avoid dust clouds.\n4. [![Step 4 Replace the fuel filter according to the car manufacturer's recommended schedule.](https:\/\/www.wikihow.com\/images\/thumb\/4\/47\/Increase-Fuel-Mileage-on-a-Car-Step-4-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-4-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-4-Version-2.jpg)\n   4\n   **Replace the fuel filter according to the car manufacturer's recommended schedule.**[\\[8\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-8)X [Expert Source](https:\/\/www.wikihow.com\/wikiHow:Delivering-a-Trustworthy-Experience) [![Ed Beery](https:\/\/www.wikihow.com\/images\/thumb\/e\/eb\/Ed_Beery.png\/-crop-100-100-100px-Ed_Beery.png)Ed Beery Automotive Specialist](https:\/\/www.wikihow.com\/Author\/Ed-Beery) Expert Interview  This will go a long way to enhancing fuel efficiency.\n5. [![Step 5 Lighten your load.](https:\/\/www.wikihow.com\/images\/thumb\/2\/29\/Increase-Fuel-Mileage-on-a-Car-Step-5-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-5-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-5-Version-2.jpg)\n   5\n   **Lighten your load.** Get the lightest car that will serve your needs. Weight is one of the biggest causes for loss of kinetic energy in non-hybrid cars. If you're not shopping for cars, then take any extra weight off of the one you're already driving. If seats that you don't use can be removed, take them out. If you use your trunk as a storage space for heavy things, find another place for them. An extra 100 pounds increases fuel consumption by 1–2%. (Weight is most important in stop-and-go driving. In almost exclusively highway driving, it matters little: once the car is up to speed, it need only push air out of the way.) Don't remove things from the car that you need frequently; instead, make sure these are in the car and readily accessible because wasted trips to retrieve or replace them will be much worse than a little lower mileage.\n6. [![Step 6 Select the narrowest possible tires for your vehicle that will satisfy your driving style and demands.](https:\/\/www.wikihow.com\/images\/thumb\/2\/2b\/Increase-Fuel-Mileage-on-a-Car-Step-6-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-6-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-6-Version-2.jpg)\n   6\n   **Select the narrowest possible tires for your vehicle that will satisfy your driving style and demands.** Narrow tires have less frontal area, thus reducing aerodynamic drag. Remember, however, that narrow tires have less traction as well (which is why race cars have such wide tires). Do not get a tire that is incompatible with your wheels (use the size tires that came stock on the vehicle), and do not get smaller wheels unless your manufacturer approves.\n7. [![Step 7 Select low-rolling-resistance compound tires.](https:\/\/www.wikihow.com\/images\/thumb\/b\/b8\/Increase-Fuel-Mileage-on-a-Car-Step-7-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-7-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-7-Version-2.jpg)\n   7\n   **Select low-rolling-resistance compound tires.** These can increase fuel economy by a few percent. However, the difference is not startling or a substitute for proper inflation. It would be wasteful to replace the former tires with these before they are worn out.\n8. [![Step 8 Make sure the...](https:\/\/www.wikihow.com\/images\/thumb\/9\/92\/Increase-Fuel-Mileage-on-a-Car-Step-8-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-8-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-8-Version-2.jpg)\n   8\n   **Make sure the oxygen sensors, engine emissions system, and evaporative emissions control systems are in good shape on fuel-injected cars.** Often the \"check engine light\" coming on is an indication that there is a problem with one of these components. A damaged oxygen sensor may cause your car to have too rich of a fuel mixture, decreasing your fuel mileage by 20% or more.\n\nMethod 2\n\nMethod 2 of 4:\n\n### Fuel Savings\n\n[![PDF download](https:\/\/www.wikihow.com\/extensions\/wikihow\/socialstamp\/images\/icon-pdf.svg) Download Article](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n1. [![Step 1 When you fill up with gas, fill up halfway and try to keep your tank above one quarter full.](https:\/\/www.wikihow.com\/images\/thumb\/b\/bd\/Increase-Fuel-Mileage-on-a-Car-Step-9-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-9-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-9-Version-2.jpg)\n   1\n   **When you fill up with gas, fill up halfway and try to keep your tank above one quarter full.** If your fuel runs low, you could put stress on the fuel pump. However, 10 gallons (37.9 L) of gas adds 60 pounds of weight. A half-full tank may increase your mileage.\n2. [![Step 2 Add a synthetic oil additive to either natural or synthetic oil when getting your oil changed.](https:\/\/www.wikihow.com\/images\/thumb\/1\/13\/Increase-Fuel-Mileage-on-a-Car-Step-10-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-10-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-10-Version-2.jpg)\n   2\n   **Add a synthetic oil additive to either natural or synthetic oil when getting your oil changed.**[\\[9\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-9) X Research source     This can increase your gas mileage by up to 15% if you follow the manufacturer's instructions and recommended usage. Be aware that the usefulness of this is questionable: it may be unlikely that synthetic-oil \"additive\" would cause a car to work much less hard; it would not make the oil overall much less viscous, and circulating the oil is only a relatively small task for a car engine.\n3. [![Step 3 Buy quality fuel.](https:\/\/www.wikihow.com\/images\/thumb\/7\/7d\/Increase-Fuel-Mileage-on-a-Car-Step-11-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-11-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-11-Version-2.jpg)\n   3\n   **Buy quality fuel.** No two fuels are the same, and while \"discount\" brand fuel may save you a few cents per L or Gal, it can contain a higher percentage of ethanol, which burns at a faster rate. Compare the mileage between fuel companies and see what is best for your car.[\\[10\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-10) X [Trustworthy Source](https:\/\/www.wikihow.com\/wikiHow:Delivering-a-Trustworthy-Experience) Consumer Reports Nonprofit organization dedicated to consumer advocacy and product testing [Go to source](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n4. [![Step 4 Try to avoid...](https:\/\/www.wikihow.com\/images\/thumb\/c\/c8\/Increase-Fuel-Mileage-on-a-Car-Step-13-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-13-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-13-Version-2.jpg)\n   4\n   **Try to avoid using the air conditioner in stop-and-go city driving as it causes the engine to work hard and consume more fuel.** However, studies show that at highway speeds cars get somewhat better mileage with the AC on and the windows rolled up. The drag caused by rolled down windows at high speed reduces fuel efficiency more than the AC.[\\[11\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-11) X [Trustworthy Source](https:\/\/www.wikihow.com\/wikiHow:Delivering-a-Trustworthy-Experience) FuelEconomy.gov Official source for the U.S. government for fuel economy information [Go to source](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n5. [![Step 5 If you're trying...](https:\/\/www.wikihow.com\/images\/thumb\/4\/4a\/Increase-Fuel-Mileage-on-a-Car-Step-14-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-14-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-14-Version-2.jpg)\n   5\n   **If you're trying to find a direct way to control the amount of gas you are using, monitor how hard your engine is working is key.** A\/C, acceleration, and speed all, of course, affect work but these are not direct indicators. Try monitoring the R.P.M.s (or revolutions per minute) your engine is running at. It's like monitoring your pulse to find out how hard your heart is working You will find that there are RPM ranges which are ideal for your car and others that are not.\n   \n   - If you find the engine is running at above 3000 R.P.M.s, it's possible you're accelerating at an unnecessarily a low gear. So, ease off the pedal and let the engine build up a higher speed at a lower RPM. The lower average RPM you travel the lower your work and this directly determines your gas mileage.\n   - How do you monitor your RPM? Most cars have a left gauge next to the speedometer called the tachometer. It measures your RPM at x1000 which means if your gauge indicates halfway between 2 & 3, you're running at 2,500 RPM. A comfort\/efficient RPM zone is between 2,000 and 3,000 RPM; however, try to stay below 2,000 as much as possible and not much over 2,700 unless necessary, such as when you are moving uphill through a traffic light from a stopped position. This means you won't get above 40 mph (64 km\/h) and you'll achieve 50–55 mph (80–89 km\/h) in the city and up to 65 mph (105 km\/h) on the highway and still be running at 2,500 RPM. Try to find your comfort\/efficient zone and perhaps you can get a few more M.P.G.s by watching how hard your engine is working\\!\n   - Be aware that some vehicles are monitored by x100.\n\nMethod 3\n\nMethod 3 of 4:\n\n### Your Driving Habits\n\n[![PDF download](https:\/\/www.wikihow.com\/extensions\/wikihow\/socialstamp\/images\/icon-pdf.svg) Download Article](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n1. [![Step 1 Use cruise control.](https:\/\/www.wikihow.com\/images\/thumb\/2\/2a\/Increase-Fuel-Mileage-on-a-Car-Step-15-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-15-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-15-Version-2.jpg)\n   1\n   **Use cruise control.**[\\[12\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-12) X Research source     In most situations, using your cruise control reduces fuel consumption by maintaining a constant speed.\n2. [![Step 2 Slow down.](https:\/\/www.wikihow.com\/images\/thumb\/3\/30\/Increase-Fuel-Mileage-on-a-Car-Step-16-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-16-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-16-Version-2.jpg)\n   2\n   **Slow down.** The faster you move, the harder your engine has to work to push through the air. Speeding can reduce fuel efficiency by up to 33%. (Factors other than air resistance decrease fuel economy below about 60 mph (97 km\/h), so fuel economy is not a reason to go slower, but fuel economy decreases rapidly above that speed).\n3. [![Step 3 Accelerate smoothly with moderate throttle.](https:\/\/www.wikihow.com\/images\/thumb\/c\/ce\/Increase-Fuel-Mileage-on-a-Car-Step-17-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-17-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-17-Version-2.jpg)\n   3\n   **Accelerate smoothly with moderate throttle.** Engines are most efficient with moderately high air flow (throttle) and at revolutions per minute (RPM)s up to their power peak (for small to mid sized engines this is generally somewhere between 4k to 5k RPM). In a manual transmission car, practice 'short shifting', or shifting to higher gears as soon as you reach your desired speed by skipping intermediate gears. For example, accelerate to 40 mph (64 km\/h) using 1st gear and 2nd gear, then shift directly to 4th (skipping 3rd), or if your engine can maintain your speed, to 5th. (Be aware that if you have to floor the accelerator pedal in 5th to maintain your speed, you should be in 4th!).[\\[13\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-13) X Research source\n4. [![Step 4 Avoid braking wherever possible.](https:\/\/www.wikihow.com\/images\/thumb\/3\/3d\/Increase-Fuel-Mileage-on-a-Car-Step-18-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-18-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-18-Version-2.jpg)\n   4\n   **Avoid braking wherever possible.** Braking wastes energy from fuel that you have already burned, and accelerating after braking consumes more fuel than driving at a constant speed. On city streets watch ahead and coast when you see a red light or traffic jam ahead.\n5. [![Step 5 Avoid excessive idling.](https:\/\/www.wikihow.com\/images\/thumb\/d\/d7\/Increase-Fuel-Mileage-on-a-Car-Step-19-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-19-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-19-Version-2.jpg)\n   5\n   **Avoid excessive idling.** Idling a vehicle wastes a significant amount of fuel. The best way to warm up a vehicle is to drive it slowly until it reaches proper operating temperature. However, in very cold weather it is still advisable to let the engine idle for about a minute or two before driving.\n6. [![Step 6 Find your car's \"sweet speed\".](https:\/\/www.wikihow.com\/images\/thumb\/0\/00\/Increase-Fuel-Mileage-on-a-Car-Step-20-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-20-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-20-Version-2.jpg)\n   6\n   **Find your car's \"sweet speed\".** Some cars get better mileage at specific speeds, usually 50 mph (80 km\/h). Your car's \"sweet speed\" is the minimum speed at which the car is running in its highest gear (watch for rpm drops as you accelerate to determine when your transmission is shifting into higher gears). For example, most Jeep Cherokees are best at 55 mph (89 km\/h), and Toyota 4Runners are best at about 50 mph (80 km\/h). Find your vehicle's \"sweet speed\" and pick your roads accordingly.[\\[14\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-14) X Research source\n7. [![Step 7 Make sure you...](https:\/\/www.wikihow.com\/images\/thumb\/c\/ca\/Increase-Fuel-Mileage-on-a-Car-Step-21-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-21-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-21-Version-2.jpg)\n   7\n   **Make sure you enable overdrive if your car has an automatic transmission with overdrive, except when towing very heavy trailers.** Overdrive is by default enabled on the \"D\" on most shifters. Several cars have buttons on the shifter which allow you to turn off the overdrive gear. Don't turn it off except in specific circumstances it may be needed such as for engine braking downhill or failure to proceed uphill smoothly in overdrive. Overdrive saves you gas mileage at higher speeds by using a higher gear in the transmission. For example, for every ¾ of a turn of the engine going into the transmission, the output of the trans is one.\n8. [![Step 8 Don't circle in a parking lot, and keep well away from the store fronts.](https:\/\/www.wikihow.com\/images\/thumb\/f\/fc\/Increase-Fuel-Mileage-on-a-Car-Step-22-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-22-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-22-Version-2.jpg)\n   8\n   **Don't circle in a parking lot, and keep well away from the store fronts.** Look for a spot in the empty half of the parking lot. Many people spend significant time idling and creeping, waiting for a \"close spot\" to open up.\n9. [![Step 9 Maintain a safe following distance.](https:\/\/www.wikihow.com\/images\/thumb\/5\/56\/Increase-Fuel-Mileage-on-a-Car-Step-23-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-23-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-23-Version-2.jpg)\n   9\n   **Maintain a safe following distance.** Don't stick to the bumper of the car directly in front of you. You will brake more and accelerate more to keep that unnecessary and dangerously narrow gap. Relax. Hang back a bit. This also gives you a lot more room to play with when you are timing lights. When the driver ahead of you slams on his brakes, you can coast down and see if the light quick-changes green again (some do). You might even coast by his car as the light turns green and he has to accelerate from a dead stop.\n10. [![Step 10 Avoid turning across oncoming traffic.](https:\/\/www.wikihow.com\/images\/thumb\/d\/d0\/Make-a-Three-Point-Turn-Step-13-Version-2.jpg\/v4-460px-Make-a-Three-Point-Turn-Step-13-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Make-a-Three-Point-Turn-Step-13-Version-2.jpg)\n    10\n    **Avoid turning across oncoming traffic.** If your route will allow it, try to make as few left turns as possible on the way to your destination (or right turns in countries with left-hand traffic). Stopping and waiting at an intersection to make a turn across the oncoming lane lets the engine run idle, which wastes gas, as does accelerating once again to make the turn.[\\[15\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-15) X Research source\n\nMethod 4\n\nMethod 4 of 4:\n\n### Planning Ahead\n\n[![PDF download](https:\/\/www.wikihow.com\/extensions\/wikihow\/socialstamp\/images\/icon-pdf.svg) Download Article](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n1. [![Step 1 Plan your trips.](https:\/\/www.wikihow.com\/images\/thumb\/0\/01\/Increase-Fuel-Mileage-on-a-Car-Step-26-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-26-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-26-Version-2.jpg)\n   1\n   **Plan your trips.** Keep lists of needs that will require a trip and try to accomplish multiple objectives with each. This will not increase your fuel mileage (the number of miles your car moves for each gallon of gas), but it will help you drive less (which, in turn, means you use less gas).\n2. [![Step 2 Plan your route carefully.](https:\/\/www.wikihow.com\/images\/thumb\/6\/67\/Increase-Fuel-Mileage-on-a-Car-Step-27-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-27-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-27-Version-2.jpg)\n   2\n   **Plan your route carefully.** Take the route with the fewest stops and turns and least traffic. Take highways in preference to city streets when possible.\n3. [![Step 3 Maintain a log...](https:\/\/www.wikihow.com\/images\/thumb\/e\/e5\/Increase-Fuel-Mileage-on-a-Car-Step-28.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-28.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-28.jpg)\n   3\n   **Maintain a log over time of how many miles you go (the main odometer) and how much gas you put in (from the gas pump, including fractions).**[\\[16\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-16) X Research source     Put it in a spreadsheet. It will keep you focused, and other methods are inaccurate; you will never know for sure if you're saving fuel, wasting fuel or just seeing errors from gas pumps that stop pumping at different points, or fractions of miles being dropped off your 'trip' odometer when you reset it.\n\n## Community Q\\&A\nSearch\n\n[Add New Question]()\n\n- Question\n  \n  If I drive my car 100 km per hour, can I expect good mileage?\n  \n  ![Community Answer](https:\/\/www.wikihow.com\/images\/thumb\/0\/0a\/CommunityAvatar1.png\/-crop-104-104-104px-CommunityAvatar1.png)\n  \n  Community Answer\n  \n  You can expect a pretty good mileage, although usually the best mileage can be achieved at around 80km\/h.\n  \n  **Thanks! We're glad this was helpful.**  \n   **Thank you for your feedback.**  \n    If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even \\$1 helps us in our mission.  [Support wikiHow](https:\/\/www.wikihow.com\/wikiHow:Contribute)\n  \n  [Yes](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car) [No](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n  \n  [Not Helpful 4](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car) [Helpful 18](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n- Question\n  \n  Is it possible to get good gas mileage in a Jeep Wrangler?\n  \n  ![Community Answer](https:\/\/www.wikihow.com\/images\/thumb\/b\/b0\/CommunityAvatar2.png\/-crop-104-104-104px-CommunityAvatar2.png)\n  \n  Community Answer\n  \n  You can get probably about 26 MPG going 45-55 MPH while drafting roughly 50 feet behind a semi-truck and constantly moving. Otherwise, if you are in a city environment or cruise on the freeway at 80 MPH, you'll be lucky to get more than 18 MPG.\n  \n  **Thanks! We're glad this was helpful.**  \n   **Thank you for your feedback.**  \n    If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even \\$1 helps us in our mission.  [Support wikiHow](https:\/\/www.wikihow.com\/wikiHow:Contribute)\n  \n  [Yes](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car) [No](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n  \n  [Not Helpful 7](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car) [Helpful 18](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n- Question\n  \n  What is the sweet speed of Toyota Avanza auto gear car?\n  \n  ![Community Answer](https:\/\/www.wikihow.com\/images\/thumb\/f\/f2\/CommunityAvatar3.png\/-crop-104-104-104px-CommunityAvatar3.png)\n  \n  Community Answer\n  \n  As mentioned, while driving what at what speed your RPM is low. The level of RPM at which the speed is more, but RPM is less, is the \"Sweet Speed.\"\n  \n  **Thanks! We're glad this was helpful.**  \n   **Thank you for your feedback.**  \n    If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even \\$1 helps us in our mission.  [Support wikiHow](https:\/\/www.wikihow.com\/wikiHow:Contribute)\n  \n  [Yes](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car) [No](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n  \n  [Not Helpful 10](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car) [Helpful 21](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n[See more answers](https:\/\/www.wikihow.com\/Questions\/Increase-Fuel-Mileage-on-a-Car#offset=3)\n\nAsk a Question\n\n200 characters left\n\nInclude your email address to get a message when this question is answered.\n\n[Submit]()\n\nAdvertisement\n\n## Tips\n- Your fuel mileage depends mostly on your driving habits. Drive conservatively and you'll notice a difference.\n  Thanks\n  \n  [Helpful 0](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)   [Not Helpful 0](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n- If your car has a roof rack, remove it if possible while not in use. If the entire unit can't be removed, take the cross bars off to reduce frontal area and drag.\n  Thanks\n  \n  [Helpful 0](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)   [Not Helpful 0](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n- Keep carbon deposits from building in your engine by revving the engine to high engine RPM's about once a week. Interstate on-ramps and overtaking vehicles are good times to do this.\n  Thanks\n  \n  [Helpful 0](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)   [Not Helpful 0](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n[Show More Tips](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\nSubmit a Tip\n\nAll tip submissions are carefully reviewed before being published\n\nName\n\nPlease provide your name and last initial\n\n[Submit](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\nThanks for submitting a tip for review\\!\n\nAdvertisement\n\n## Warnings\n- Driving slowly on the highway may be dangerous. It is usually illegal to drive more than 15 mph (24 km\/h) below the posted speed limit without having the emergency flashers activated.\n  Thanks\n  \n  [Helpful 28](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)   [Not Helpful 14](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n- Beware of quack remedies and testimonials about amazing savings. Every magnet and wonder widget that was debunked in the 70's is back again to tempt a new generation.\n  Thanks\n  \n  [Helpful 1](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)   [Not Helpful 0](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n- Be careful when using oil additives, some can void a warranty. Read the back of the packaging before use...or consult your vehicles' manufacturer.\n  Thanks\n  \n  [Helpful 1](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)   [Not Helpful 1](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n- Driving close to another car is \\*always\\* unsafe; \"drafting\", more so. Driving close to another car also has legal ramifications. Other dangers include the car in front: suddenly hit the brakes or stop, swerve to avoid something in the road, pass over something in the road that your car does not have enough ground clearance to go over, kick up road debris, have an accident. Always remain at a safe distance from traffic.\n  Thanks\n  \n  [Helpful 0](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)   [Not Helpful 0](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n- Beware of 'chipping' and other seemingly minor, yet significant vehicle modifications. These will certainly void the warranty, and the wrong one can save fuel and damage expensive engine components for your trouble.\n  Thanks\n  \n  [Helpful 0](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)   [Not Helpful 0](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n- Usually a 3 second following distance is most effective for maintaining a safe following distance and to avoid road hazards even if they are hidden by the vehicle in front of you.[\\[17\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-17) X Research source\n  Thanks\n  \n  [Helpful 0](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)   [Not Helpful 0](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\nAdvertisement\n\n## You Might Also Like\n[![Hypermile]() How to Hypermile ![](https:\/\/www.wikihow.com\/images\/thumb\/1\/1f\/Hypermile-Step-6.jpg\/-crop-342-184-245px-Hypermile-Step-6.jpg)](https:\/\/www.wikihow.com\/Hypermile)\n\n[![Get the Best Gas Mileage from Your Toyota Prius]() How to Get the Best Gas Mileage from Your Toyota Prius ![](https:\/\/www.wikihow.com\/images\/thumb\/6\/66\/Get-the-Best-Gas-Mileage-from-Your-Toyota-Prius-Step-30.jpg\/-crop-342-184-245px-Get-the-Best-Gas-Mileage-from-Your-Toyota-Prius-Step-30.jpg)](https:\/\/www.wikihow.com\/Get-the-Best-Gas-Mileage-from-Your-Toyota-Prius)\n\n[![Calculate Fuel Consumption]() How to Compute Your Car’s Fuel Consumption ![](https:\/\/www.wikihow.com\/images\/thumb\/7\/78\/Calculate-Fuel-Consumption-Step-21-Version-2.jpg\/-crop-342-184-245px-Calculate-Fuel-Consumption-Step-21-Version-2.jpg)](https:\/\/www.wikihow.com\/Calculate-Fuel-Consumption)\n\n[![Calculate Your Car's Fuel Efficiency (MPG)]() How to Calculate Your Car's Fuel Efficiency (MPG) ![](https:\/\/www.wikihow.com\/images\/thumb\/9\/99\/Calculate-Your-Car%27s-Fuel-Efficiency-%28MPG%29-Step-9-Version-2.jpg\/-crop-342-184-246px-Calculate-Your-Car%27s-Fuel-Efficiency-%28MPG%29-Step-9-Version-2.jpg)](https:\/\/www.wikihow.com\/Calculate-Your-Car%27s-Fuel-Efficiency-\$MPG\$)\n\n[![Check Air Pressure in Tires]() How to Check Air Pressure in Tires ![](https:\/\/www.wikihow.com\/images\/thumb\/6\/6d\/Check-Air-Pressure-in-Tires-Step-9-Version-4.jpg\/-crop-342-184-245px-Check-Air-Pressure-in-Tires-Step-9-Version-4.jpg)](https:\/\/www.wikihow.com\/Check-Air-Pressure-in-Tires)\n\n[![Put Air in a Tire]() How to Put Air in a Tire ![](https:\/\/www.wikihow.com\/images\/thumb\/7\/7d\/Put-Air-in-a-Tire-Step-14-Version-3.jpg\/-crop-342-184-327px-Put-Air-in-a-Tire-Step-14-Version-3.jpg)](https:\/\/www.wikihow.com\/Put-Air-in-a-Tire)\n\n[![Go Faster on a Bicycle]() How to Go Faster on a Bicycle 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![](https:\/\/www.wikihow.com\/images\/thumb\/4\/4c\/Check-the-Tire-Pressure-at-a-Gas-Station-Step-15-Version-2.jpg\/-crop-342-184-245px-Check-the-Tire-Pressure-at-a-Gas-Station-Step-15-Version-2.jpg)](https:\/\/www.wikihow.com\/Check-the-Tire-Pressure-at-a-Gas-Station)\n\n[![Drive Uphill]() How to Drive Uphill ![](https:\/\/www.wikihow.com\/images\/thumb\/1\/1f\/Drive-Uphill-Step-25.jpg\/-crop-342-184-245px-Drive-Uphill-Step-25.jpg)](https:\/\/www.wikihow.com\/Drive-Uphill)\n\nAdvertisement\n\n## References\n1. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-1) <https:\/\/www.fueleconomy.gov\/feg\/maintain.jsp>\n2. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-2) <https:\/\/www.consumerreports.org\/cars\/tires\/why-tires-go-flat-in-cold-weather-a2422532504\/>\n3. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-3) <https:\/\/www.cars.com\/articles\/how-to-properly-check-and-fill-tires-1420663066288\/>\n4. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-4) Ed Beery. Automotive Specialist. Expert Interview\n5. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-5) <https:\/\/www.familyhandyman.com\/automotive\/car-maintenance\/how-to-replace-spark-plugs\/>\n6. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-6) <https:\/\/www.consumerreports.org\/car-maintenance\/things-to-know-about-oil-changes-for-your-car\/>\n7. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-7) <https:\/\/www.fueleconomy.gov\/feg\/maintain.jsp>\n8. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-8) Ed Beery. Automotive Specialist. Expert Interview\n9. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-9) <https:\/\/www.moneycrashers.com\/ways-improve-gas-mileage\/>\n\n[More References (10)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#aiinfo)\n\n1. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-10) <https:\/\/www.consumerreports.org\/fuel-economy-efficiency\/how-to-get-the-best-fuel-economy-now\/>\n2. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-11) <https:\/\/www.fueleconomy.gov\/feg\/hotweather.shtml>\n3. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-12) <https:\/\/www.moneycrashers.com\/ways-improve-gas-mileage\/>\n4. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-13) <https:\/\/www.investopedia.com\/financial-edge\/0211\/9-easy-ways-to-increase-your-gas-mileage.aspx>\n5. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-14) <https:\/\/learn.eartheasy.com\/guides\/fuel-efficient-driving\/>\n6. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-15)  <https:\/\/priceonomics.com\/why-ups-trucks-dont-turn-left\/>\n7. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-16) <https:\/\/www.ucsusa.org\/clean-vehicles\/fuel-efficiency\/how-to-maximize-fuel-economy>\n8. [↑](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_ref-17) <http:\/\/www.driversedguru.com\/driving-articles\/drivers-ed-extras\/the-3-second-following-distance-rule\/>\n9. <https:\/\/www.fueleconomy.gov\/feg\/coldweather.shtml>\n10. [A comprehensive list of quantified car modifications](http:\/\/ecomodder.com\/wiki\/index.php\/Car_MPG_Efficiency_Modifications_Main)\n\n## About This Article\n![Ed Beery](https:\/\/www.wikihow.com\/images\/thumb\/e\/eb\/Ed_Beery.png\/-crop-100-100-100px-Ed_Beery.png)\n\nCo-authored by:\n\n[Ed Beery](https:\/\/www.wikihow.com\/Author\/Ed-Beery)\n\nAutomotive Specialist\n\nThis article was co-authored by [Ed Beery](https:\/\/www.wikihow.com\/Author\/Ed-Beery). Ed Beery is an Automotive Specialist and the Owner of InTechgrity Automotive Excellence based in Denver, Colorado. With more than eight years of experience, he specializes in providing maintenance and repair services for both individuals and companies. Ed and the InTechgrity Automotive Excellence Team are approved by the American Automobile Association (AAA) for repairs and are Automotive Service Excellence (ASE) certified. This article has been viewed 1,189,957 times.\n\n2 votes - 100%\n\nCo-authors: 97\n\nUpdated: February 26, 2026\n\nViews: 1,189,957\n\nCategories: [Efficient Driving](https:\/\/www.wikihow.com\/Category:Efficient-Driving \"Category:Efficient Driving\") \\| [Vehicle Fuels and Fluids](https:\/\/www.wikihow.com\/Category:Vehicle-Fuels-and-Fluids \"Category:Vehicle Fuels and Fluids\")\n\n[Article SummaryX](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#summary_wrapper)\n\nTo increase fuel mileage on a car, make sure that your tires are properly inflated because that can increase your fuel efficiency by up to 3%. Similarly, make sure to complete regular maintenance on your car since a dirty air filter or old spark plugs will make the engine less efficient. To increase your fuel mileage while driving, try to avoid using the A\/C, which burns a lot of gas. You can also increase your fuel economy by using high-quality gasoline, which contains less ethanol and will last longer than the cheap stuff. To learn how to change your driving habits to save fuel, keep reading\\!\n\nDid this summary help you?\n\nYes\n\nNo\n\n[In other languages](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#other_languages)\n\n[Italian](https:\/\/www.wikihow.it\/Migliorare-i-Consumi-Della-Tua-Auto)\n\n[Spanish](https:\/\/es.wikihow.com\/aumentar-el-rendimiento-del-combustible-en-tu-carro)\n\n[French](https:\/\/fr.wikihow.com\/diminuer-sa-consommation-d%E2%80%99essence)\n\n[German](https:\/\/de.wikihow.com\/Den-Benzinverbrauch-deines-Autos-senken)\n\n[Russian](https:\/\/ru.wikihow.com\/%D1%81%D0%BE%D0%BA%D1%80%D0%B0%D1%82%D0%B8%D1%82%D1%8C-%D1%80%D0%B0%D1%81%D1%85%D0%BE%D0%B4-%D1%82%D0%BE%D0%BF%D0%BB%D0%B8%D0%B2%D0%B0-%D0%BD%D0%B0-%D0%BC%D0%B0%D1%88%D0%B8%D0%BD%D0%B5)\n\n[Chinese](https:\/\/zh.wikihow.com\/%E6%8F%90%E9%AB%98%E6%B1%BD%E8%BD%A6%E7%9A%84%E7%87%83%E6%B2%B9%E9%87%8C%E7%A8%8B%E6%95%B0)\n\n[Indonesian](https:\/\/id.wikihow.com\/Meningkatkan-Penghematan-Bahan-Bakar-pada-Mobil)\n\n- [Print](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n- [Send fan mail to authors](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\nThanks to all authors for creating a page that has been read 1,189,957 times.\n\n## Reader Success Stories\n- ![Anonymous](https:\/\/www.wikihow.com\/images\/thumb\/f\/f2\/CommunityAvatar3.png\/-crop-72-72-72px-CommunityAvatar3.png)\n  \n  Anonymous\n  \n  Aug 3, 2017\n  \"It's just really helpful to get some answers about fuel efficiency in my SUV and what I can do to improve it. I have no one to ask, so wikiHow is like a friendly mechanic. Now I need to have air and fuel filters checked, and spark plugs, too! Thanks!\"...\" [more](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n[More reader stories](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car) [Hide reader stories](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n[Share your story](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n## Did this article help you?\nYes\n\nNo\n\n[![]()![](https:\/\/www.wikihow.com\/images\/4\/40\/Tech_v12_stock_728x180.jpg)](https:\/\/www.wikihow.com\/Tech-Help-Pro?utm_source=wikihow&utm_medium=bottom&utm_campaign=tech_v12_stock)\n\nAdvertisement\n\nCookies make wikiHow better. 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Thanks!\"...\" [more](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n![Eric Rowland](https:\/\/www.wikihow.com\/images\/thumb\/b\/b0\/CommunityAvatar2.png\/-crop-72-72-72px-CommunityAvatar2.png)\n\nEric Rowland\n\nJul 22, 2016\n\n\"The article helped in general, but I will benefit from the mention given about not keeping the clutch depressed when waiting at traffic lights. It has been a habit of mine in the past.\"...\" [more](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n![Anonymous](https:\/\/www.wikihow.com\/images\/thumb\/0\/0a\/CommunityAvatar1.png\/-crop-72-72-72px-CommunityAvatar1.png)\n\nAnonymous\n\nFeb 17, 2017\n\n\"All the tips were helpful. Correct tire pressure, half full tank, clean air filter, coasting, engine off, stay on engine sweet speed, plan trips, avoid excessive breaking.\"...\" [more](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n![Anonymous](https:\/\/www.wikihow.com\/images\/thumb\/b\/b0\/CommunityAvatar2.png\/-crop-72-72-72px-CommunityAvatar2.png)\n\nAnonymous\n\nJul 4, 2016\n\n\"The article answered me how I can make my car fuel-friendly by changing my driving habits and keeping the car updated and using care on roads.\"...\" [more](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n![Abu Salih](https:\/\/www.wikihow.com\/images\/thumb\/0\/0a\/CommunityAvatar1.png\/-crop-72-72-72px-CommunityAvatar1.png)\n\nAbu Salih\n\nSep 28, 2016\n\n\"Excellent information. I tried this many times, it helped me often. 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[Contribute](https:\/\/www.wikihow.com\/wikiHow:Contribute)\n\nFollow Us\n\n×\n\nwikiHow Tech Help Pro:\n\nLevel up your tech skills and stay ahead of the curve\n\n[Let's go\\!](https:\/\/www.wikihow.com\/Tech-Help-Pro?id=sdapl)\n\n[X](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n####\n\n\\-\n\n\\-\n\n![](https:\/\/sb.scorecardresearch.com\/p?c1=2&c2=8003466&cv=3.9.1&cj=1)\n\n990","attrs_readable_markdown":"[![PDF download](https:\/\/www.wikihow.com\/extensions\/wikihow\/socialstamp\/images\/icon-pdf.svg) Download Article](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n[![PDF download](https:\/\/www.wikihow.com\/extensions\/wikihow\/socialstamp\/images\/icon-pdf.svg) Download Article](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\n- [Optimizing Your Car](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#Optimizing-Your-Car)\n- [Fuel Savings](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#Fuel-Savings)\n- [Your Driving Habits](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#Your-Driving-Habits)\n- [Planning Ahead](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#Planning-Ahead)\n- [Q\\&A](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#qa_headline)\n- [Tips](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#tips)\n- [Warnings](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#warnings)\n\nAs gas prices continue to climb, increasing the fuel mileage is the best way to protect your pocket book. Here are a few ways to spend less money on gas by increasing your car's efficiency in using it.\n\n1. [![Step 1 Set the car tires to the proper inflation.](https:\/\/www.wikihow.com\/images\/thumb\/0\/09\/Increase-Fuel-Mileage-on-a-Car-Step-1-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-1-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-1-Version-2.jpg)\n   Properly inflated tires can reduce fuel consumption by up to 3%.[\\[1\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-1)  Your tires also lose about 1 PSI per month, and when the tires are cold (e.g., in the winter),[\\[2\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-2)  their pressure will decrease due to the thermal contraction of the air. It is recommended to check tires at least monthly, preferably weekly. Having properly inflated tires will also help you avoid uneven wear on the tread.[\\[3\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-3)\n   \n   - Some fuel stations have automatic air compressors that stop at a predetermined level. (For safety, double-check pressure with your own gauge, especially if another is suggesting you add a surprisingly large amount of air.)\n   - Small permanently-installed valve-stem extensions can allow filling without removing the caps, but check that they are not prone to jamming with foreign matter and leaking.\n   - Recommended inflation pressures are for cold tires; it is best to inflate first thing in the morning or you've driven less than two miles so your reading will be accurate. If you have been driving around for a while or it is hot outside, add 3 PSI. Inflate to the pressure recommended by your car's manual or the sticker on your driver-side doorpost. Be aware that the reading stamped on the tire is the maximum tire pressure, not the recommended.\n2. [![Step 2 Tune up the engine.](https:\/\/www.wikihow.com\/images\/thumb\/a\/a9\/Increase-Fuel-Mileage-on-a-Car-Step-2-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-2-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-2-Version-2.jpg)\n   A properly tuned engine maximizes power and can greatly enhance fuel efficiency.[\\[4\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-4)  Beware, though, that many tuners will disable efficiency measures when tuning for power.\n   \n   - Be sure you are keeping good spark plugs in the engine,[\\[5\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-5)  changing the oil on time,[\\[6\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-6)  making sure the air filter is clean, etc.[\\[7\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-7)\n   Advertisement\n3. [![Step 3 Check the condition of your engine air filter.](https:\/\/www.wikihow.com\/images\/thumb\/7\/75\/Increase-Fuel-Mileage-on-a-Car-Step-3-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-3-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-3-Version-2.jpg)\n   A dirty filter will reduce fuel economy, or make the engine stall when idling. Just like mowing dusty grass, driving dusty dirt roads will clog the air filter: avoid dust clouds.\n4. [![Step 4 Replace the fuel filter according to the car manufacturer's recommended schedule.](https:\/\/www.wikihow.com\/images\/thumb\/4\/47\/Increase-Fuel-Mileage-on-a-Car-Step-4-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-4-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-4-Version-2.jpg)\n   [\\[8\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-8)  This will go a long way to enhancing fuel efficiency.\n5. [![Step 5 Lighten your load.](https:\/\/www.wikihow.com\/images\/thumb\/2\/29\/Increase-Fuel-Mileage-on-a-Car-Step-5-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-5-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-5-Version-2.jpg)\n   Get the lightest car that will serve your needs. Weight is one of the biggest causes for loss of kinetic energy in non-hybrid cars. If you're not shopping for cars, then take any extra weight off of the one you're already driving. If seats that you don't use can be removed, take them out. If you use your trunk as a storage space for heavy things, find another place for them. An extra 100 pounds increases fuel consumption by 1–2%. (Weight is most important in stop-and-go driving. In almost exclusively highway driving, it matters little: once the car is up to speed, it need only push air out of the way.) Don't remove things from the car that you need frequently; instead, make sure these are in the car and readily accessible because wasted trips to retrieve or replace them will be much worse than a little lower mileage.\n6. [![Step 6 Select the narrowest possible tires for your vehicle that will satisfy your driving style and demands.](https:\/\/www.wikihow.com\/images\/thumb\/2\/2b\/Increase-Fuel-Mileage-on-a-Car-Step-6-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-6-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-6-Version-2.jpg)\n   Narrow tires have less frontal area, thus reducing aerodynamic drag. Remember, however, that narrow tires have less traction as well (which is why race cars have such wide tires). Do not get a tire that is incompatible with your wheels (use the size tires that came stock on the vehicle), and do not get smaller wheels unless your manufacturer approves.\n7. [![Step 7 Select low-rolling-resistance compound tires.](https:\/\/www.wikihow.com\/images\/thumb\/b\/b8\/Increase-Fuel-Mileage-on-a-Car-Step-7-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-7-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-7-Version-2.jpg)\n   These can increase fuel economy by a few percent. However, the difference is not startling or a substitute for proper inflation. It would be wasteful to replace the former tires with these before they are worn out.\n8. [![Step 8 Make sure the...](https:\/\/www.wikihow.com\/images\/thumb\/9\/92\/Increase-Fuel-Mileage-on-a-Car-Step-8-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-8-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-8-Version-2.jpg)\n   **Make sure the oxygen sensors, engine emissions system, and evaporative emissions control systems are in good shape on fuel-injected cars.** Often the \"check engine light\" coming on is an indication that there is a problem with one of these components. A damaged oxygen sensor may cause your car to have too rich of a fuel mixture, decreasing your fuel mileage by 20% or more.\n\n1. [![Step 1 When you fill up with gas, fill up halfway and try to keep your tank above one quarter full.](https:\/\/www.wikihow.com\/images\/thumb\/b\/bd\/Increase-Fuel-Mileage-on-a-Car-Step-9-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-9-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-9-Version-2.jpg)\n   If your fuel runs low, you could put stress on the fuel pump. However, 10 gallons (37.9 L) of gas adds 60 pounds of weight. A half-full tank may increase your mileage.\n2. [![Step 2 Add a synthetic oil additive to either natural or synthetic oil when getting your oil changed.](https:\/\/www.wikihow.com\/images\/thumb\/1\/13\/Increase-Fuel-Mileage-on-a-Car-Step-10-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-10-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-10-Version-2.jpg)\n   [\\[9\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-9)  This can increase your gas mileage by up to 15% if you follow the manufacturer's instructions and recommended usage. Be aware that the usefulness of this is questionable: it may be unlikely that synthetic-oil \"additive\" would cause a car to work much less hard; it would not make the oil overall much less viscous, and circulating the oil is only a relatively small task for a car engine.\n3. [![Step 3 Buy quality fuel.](https:\/\/www.wikihow.com\/images\/thumb\/7\/7d\/Increase-Fuel-Mileage-on-a-Car-Step-11-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-11-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-11-Version-2.jpg)\n   No two fuels are the same, and while \"discount\" brand fuel may save you a few cents per L or Gal, it can contain a higher percentage of ethanol, which burns at a faster rate. Compare the mileage between fuel companies and see what is best for your car.[\\[10\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-10)\n4. [![Step 4 Try to avoid...](https:\/\/www.wikihow.com\/images\/thumb\/c\/c8\/Increase-Fuel-Mileage-on-a-Car-Step-13-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-13-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-13-Version-2.jpg)\n   **Try to avoid using the air conditioner in stop-and-go city driving as it causes the engine to work hard and consume more fuel.** However, studies show that at highway speeds cars get somewhat better mileage with the AC on and the windows rolled up. The drag caused by rolled down windows at high speed reduces fuel efficiency more than the AC.[\\[11\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-11)\n5. [![Step 5 If you're trying...](https:\/\/www.wikihow.com\/images\/thumb\/4\/4a\/Increase-Fuel-Mileage-on-a-Car-Step-14-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-14-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-14-Version-2.jpg)\n   **If you're trying to find a direct way to control the amount of gas you are using, monitor how hard your engine is working is key.** A\/C, acceleration, and speed all, of course, affect work but these are not direct indicators. Try monitoring the R.P.M.s (or revolutions per minute) your engine is running at. It's like monitoring your pulse to find out how hard your heart is working You will find that there are RPM ranges which are ideal for your car and others that are not.\n   \n   - If you find the engine is running at above 3000 R.P.M.s, it's possible you're accelerating at an unnecessarily a low gear. So, ease off the pedal and let the engine build up a higher speed at a lower RPM. The lower average RPM you travel the lower your work and this directly determines your gas mileage.\n   - How do you monitor your RPM? Most cars have a left gauge next to the speedometer called the tachometer. It measures your RPM at x1000 which means if your gauge indicates halfway between 2 & 3, you're running at 2,500 RPM. A comfort\/efficient RPM zone is between 2,000 and 3,000 RPM; however, try to stay below 2,000 as much as possible and not much over 2,700 unless necessary, such as when you are moving uphill through a traffic light from a stopped position. This means you won't get above 40 mph (64 km\/h) and you'll achieve 50–55 mph (80–89 km\/h) in the city and up to 65 mph (105 km\/h) on the highway and still be running at 2,500 RPM. Try to find your comfort\/efficient zone and perhaps you can get a few more M.P.G.s by watching how hard your engine is working\\!\n   - Be aware that some vehicles are monitored by x100.\n\n1. [![Step 1 Use cruise control.](https:\/\/www.wikihow.com\/images\/thumb\/2\/2a\/Increase-Fuel-Mileage-on-a-Car-Step-15-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-15-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-15-Version-2.jpg)\n   [\\[12\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-12)  In most situations, using your cruise control reduces fuel consumption by maintaining a constant speed.\n2. [![Step 2 Slow down.](https:\/\/www.wikihow.com\/images\/thumb\/3\/30\/Increase-Fuel-Mileage-on-a-Car-Step-16-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-16-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-16-Version-2.jpg)\n   The faster you move, the harder your engine has to work to push through the air. Speeding can reduce fuel efficiency by up to 33%. (Factors other than air resistance decrease fuel economy below about 60 mph (97 km\/h), so fuel economy is not a reason to go slower, but fuel economy decreases rapidly above that speed).\n3. [![Step 3 Accelerate smoothly with moderate throttle.](https:\/\/www.wikihow.com\/images\/thumb\/c\/ce\/Increase-Fuel-Mileage-on-a-Car-Step-17-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-17-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-17-Version-2.jpg)\n   Engines are most efficient with moderately high air flow (throttle) and at revolutions per minute (RPM)s up to their power peak (for small to mid sized engines this is generally somewhere between 4k to 5k RPM). In a manual transmission car, practice 'short shifting', or shifting to higher gears as soon as you reach your desired speed by skipping intermediate gears. For example, accelerate to 40 mph (64 km\/h) using 1st gear and 2nd gear, then shift directly to 4th (skipping 3rd), or if your engine can maintain your speed, to 5th. (Be aware that if you have to floor the accelerator pedal in 5th to maintain your speed, you should be in 4th!).[\\[13\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-13)\n4. [![Step 4 Avoid braking wherever possible.](https:\/\/www.wikihow.com\/images\/thumb\/3\/3d\/Increase-Fuel-Mileage-on-a-Car-Step-18-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-18-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-18-Version-2.jpg)\n   Braking wastes energy from fuel that you have already burned, and accelerating after braking consumes more fuel than driving at a constant speed. On city streets watch ahead and coast when you see a red light or traffic jam ahead.\n5. [![Step 5 Avoid excessive idling.](https:\/\/www.wikihow.com\/images\/thumb\/d\/d7\/Increase-Fuel-Mileage-on-a-Car-Step-19-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-19-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-19-Version-2.jpg)\n   Idling a vehicle wastes a significant amount of fuel. The best way to warm up a vehicle is to drive it slowly until it reaches proper operating temperature. However, in very cold weather it is still advisable to let the engine idle for about a minute or two before driving.\n6. [![Step 6 Find your car's \"sweet speed\".](https:\/\/www.wikihow.com\/images\/thumb\/0\/00\/Increase-Fuel-Mileage-on-a-Car-Step-20-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-20-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-20-Version-2.jpg)\n   Some cars get better mileage at specific speeds, usually 50 mph (80 km\/h). Your car's \"sweet speed\" is the minimum speed at which the car is running in its highest gear (watch for rpm drops as you accelerate to determine when your transmission is shifting into higher gears). For example, most Jeep Cherokees are best at 55 mph (89 km\/h), and Toyota 4Runners are best at about 50 mph (80 km\/h). Find your vehicle's \"sweet speed\" and pick your roads accordingly.[\\[14\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-14)\n7. [![Step 7 Make sure you...](https:\/\/www.wikihow.com\/images\/thumb\/c\/ca\/Increase-Fuel-Mileage-on-a-Car-Step-21-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-21-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-21-Version-2.jpg)\n   **Make sure you enable overdrive if your car has an automatic transmission with overdrive, except when towing very heavy trailers.** Overdrive is by default enabled on the \"D\" on most shifters. Several cars have buttons on the shifter which allow you to turn off the overdrive gear. Don't turn it off except in specific circumstances it may be needed such as for engine braking downhill or failure to proceed uphill smoothly in overdrive. Overdrive saves you gas mileage at higher speeds by using a higher gear in the transmission. For example, for every ¾ of a turn of the engine going into the transmission, the output of the trans is one.\n8. [![Step 8 Don't circle in a parking lot, and keep well away from the store fronts.](https:\/\/www.wikihow.com\/images\/thumb\/f\/fc\/Increase-Fuel-Mileage-on-a-Car-Step-22-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-22-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-22-Version-2.jpg)\n   Look for a spot in the empty half of the parking lot. Many people spend significant time idling and creeping, waiting for a \"close spot\" to open up.\n9. [![Step 9 Maintain a safe following distance.](https:\/\/www.wikihow.com\/images\/thumb\/5\/56\/Increase-Fuel-Mileage-on-a-Car-Step-23-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-23-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-23-Version-2.jpg)\n   Don't stick to the bumper of the car directly in front of you. You will brake more and accelerate more to keep that unnecessary and dangerously narrow gap. Relax. Hang back a bit. This also gives you a lot more room to play with when you are timing lights. When the driver ahead of you slams on his brakes, you can coast down and see if the light quick-changes green again (some do). You might even coast by his car as the light turns green and he has to accelerate from a dead stop.\n10. [![Step 10 Avoid turning across oncoming traffic.](https:\/\/www.wikihow.com\/images\/thumb\/d\/d0\/Make-a-Three-Point-Turn-Step-13-Version-2.jpg\/v4-460px-Make-a-Three-Point-Turn-Step-13-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Make-a-Three-Point-Turn-Step-13-Version-2.jpg)\n    If your route will allow it, try to make as few left turns as possible on the way to your destination (or right turns in countries with left-hand traffic). Stopping and waiting at an intersection to make a turn across the oncoming lane lets the engine run idle, which wastes gas, as does accelerating once again to make the turn.[\\[15\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-15)\n\n1. [![Step 1 Plan your trips.](https:\/\/www.wikihow.com\/images\/thumb\/0\/01\/Increase-Fuel-Mileage-on-a-Car-Step-26-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-26-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-26-Version-2.jpg)\n   Keep lists of needs that will require a trip and try to accomplish multiple objectives with each. This will not increase your fuel mileage (the number of miles your car moves for each gallon of gas), but it will help you drive less (which, in turn, means you use less gas).\n2. [![Step 2 Plan your route carefully.](https:\/\/www.wikihow.com\/images\/thumb\/6\/67\/Increase-Fuel-Mileage-on-a-Car-Step-27-Version-2.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-27-Version-2.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-27-Version-2.jpg)\n   Take the route with the fewest stops and turns and least traffic. Take highways in preference to city streets when possible.\n3. [![Step 3 Maintain a log...](https:\/\/www.wikihow.com\/images\/thumb\/e\/e5\/Increase-Fuel-Mileage-on-a-Car-Step-28.jpg\/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-28.jpg)](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#\/Image:Increase-Fuel-Mileage-on-a-Car-Step-28.jpg)\n   **Maintain a log over time of how many miles you go (the main odometer) and how much gas you put in (from the gas pump, including fractions).**[\\[16\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-16)  Put it in a spreadsheet. It will keep you focused, and other methods are inaccurate; you will never know for sure if you're saving fuel, wasting fuel or just seeing errors from gas pumps that stop pumping at different points, or fractions of miles being dropped off your 'trip' odometer when you reset it.\n\nSearch\n\n[Add New Question]()\n\n- Question\n  \n  If I drive my car 100 km per hour, can I expect good mileage?\n  \n  ![Community Answer](https:\/\/www.wikihow.com\/images\/thumb\/0\/0a\/CommunityAvatar1.png\/-crop-104-104-104px-CommunityAvatar1.png)\n  \n  Community Answer\n  \n  You can expect a pretty good mileage, although usually the best mileage can be achieved at around 80km\/h.\n- Question\n  \n  Is it possible to get good gas mileage in a Jeep Wrangler?\n  \n  ![Community Answer](https:\/\/www.wikihow.com\/images\/thumb\/b\/b0\/CommunityAvatar2.png\/-crop-104-104-104px-CommunityAvatar2.png)\n  \n  Community Answer\n  \n  You can get probably about 26 MPG going 45-55 MPH while drafting roughly 50 feet behind a semi-truck and constantly moving. Otherwise, if you are in a city environment or cruise on the freeway at 80 MPH, you'll be lucky to get more than 18 MPG.\n- Question\n  \n  What is the sweet speed of Toyota Avanza auto gear car?\n  \n  ![Community Answer](https:\/\/www.wikihow.com\/images\/thumb\/f\/f2\/CommunityAvatar3.png\/-crop-104-104-104px-CommunityAvatar3.png)\n  \n  Community Answer\n  \n  As mentioned, while driving what at what speed your RPM is low. The level of RPM at which the speed is more, but RPM is less, is the \"Sweet Speed.\"\n\n[See more answers](https:\/\/www.wikihow.com\/Questions\/Increase-Fuel-Mileage-on-a-Car#offset=3)\n\nAsk a Question\n\n200 characters left\n\nInclude your email address to get a message when this question is answered.\n\n[Submit]()\n\nAdvertisement\n\n- Your fuel mileage depends mostly on your driving habits. Drive conservatively and you'll notice a difference.\n  Thanks\n- If your car has a roof rack, remove it if possible while not in use. If the entire unit can't be removed, take the cross bars off to reduce frontal area and drag.\n  Thanks\n- Keep carbon deposits from building in your engine by revving the engine to high engine RPM's about once a week. Interstate on-ramps and overtaking vehicles are good times to do this.\n  Thanks\n\n[Show More Tips](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n\nThanks for submitting a tip for review\\!\n\nAdvertisement\n\n- Driving slowly on the highway may be dangerous. It is usually illegal to drive more than 15 mph (24 km\/h) below the posted speed limit without having the emergency flashers activated.\n  Thanks\n- Beware of quack remedies and testimonials about amazing savings. Every magnet and wonder widget that was debunked in the 70's is back again to tempt a new generation.\n  Thanks\n- Be careful when using oil additives, some can void a warranty. Read the back of the packaging before use...or consult your vehicles' manufacturer.\n  Thanks\n- Driving close to another car is \\*always\\* unsafe; \"drafting\", more so. Driving close to another car also has legal ramifications. Other dangers include the car in front: suddenly hit the brakes or stop, swerve to avoid something in the road, pass over something in the road that your car does not have enough ground clearance to go over, kick up road debris, have an accident. Always remain at a safe distance from traffic.\n  Thanks\n- Beware of 'chipping' and other seemingly minor, yet significant vehicle modifications. These will certainly void the warranty, and the wrong one can save fuel and damage expensive engine components for your trouble.\n  Thanks\n- Usually a 3 second following distance is most effective for maintaining a safe following distance and to avoid road hazards even if they are hidden by the vehicle in front of you.[\\[17\\]](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#_note-17)\n  Thanks\n\nAdvertisement\n## References\nAbout This Article\n\n[Article SummaryX](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car#summary_wrapper)\n\nTo increase fuel mileage on a car, make sure that your tires are properly inflated because that can increase your fuel efficiency by up to 3%. Similarly, make sure to complete regular maintenance on your car since a dirty air filter or old spark plugs will make the engine less efficient. To increase your fuel mileage while driving, try to avoid using the A\/C, which burns a lot of gas. You can also increase your fuel economy by using high-quality gasoline, which contains less ethanol and will last longer than the cheap stuff. To learn how to change your driving habits to save fuel, keep reading\\!\n\nDid this summary help you?\n\nThanks to all authors for creating a page that has been read 1,189,957 times.\n\nReader Success Stories\n\n- ![Anonymous](https:\/\/www.wikihow.com\/images\/thumb\/f\/f2\/CommunityAvatar3.png\/-crop-72-72-72px-CommunityAvatar3.png)\n  \n  Anonymous\n  \n  Aug 3, 2017\n  \"It's just really helpful to get some answers about fuel efficiency in my SUV and what I can do to improve it....\" [more](https:\/\/www.wikihow.com\/Increase-Fuel-Mileage-on-a-Car)\n## Did this article help you?","meta_canonical":null}

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Meta Title	4 Ways to Increase Fuel Mileage on a Car - wikiHow
Meta Description	As gas prices continue to climb, increasing the fuel mileage is the best way to protect your pocket book. Here are a few ways to spend less money on gas by increasing your car's efficiency in using it. Set the car tires to the proper...
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Boilerpipe Text	Download Article Download Article Optimizing Your Car \| Fuel Savings \| Your Driving Habits \| Planning Ahead \| Q&A \| Tips \| Warnings As gas prices continue to climb, increasing the fuel mileage is the best way to protect your pocket book. Here are a few ways to spend less money on gas by increasing your car's efficiency in using it. Properly inflated tires can reduce fuel consumption by up to 3%. [1] Your tires also lose about 1 PSI per month, and when the tires are cold (e.g., in the winter), [2] their pressure will decrease due to the thermal contraction of the air. It is recommended to check tires at least monthly, preferably weekly. Having properly inflated tires will also help you avoid uneven wear on the tread. [3] Some fuel stations have automatic air compressors that stop at a predetermined level. (For safety, double-check pressure with your own gauge, especially if another is suggesting you add a surprisingly large amount of air.) Small permanently-installed valve-stem extensions can allow filling without removing the caps, but check that they are not prone to jamming with foreign matter and leaking. Recommended inflation pressures are for cold tires; it is best to inflate first thing in the morning or you've driven less than two miles so your reading will be accurate. If you have been driving around for a while or it is hot outside, add 3 PSI. Inflate to the pressure recommended by your car's manual or the sticker on your driver-side doorpost. Be aware that the reading stamped on the tire is the maximum tire pressure, not the recommended. A properly tuned engine maximizes power and can greatly enhance fuel efficiency. [4] Beware, though, that many tuners will disable efficiency measures when tuning for power. Be sure you are keeping good spark plugs in the engine, [5] changing the oil on time, [6] making sure the air filter is clean, etc. [7] Advertisement A dirty filter will reduce fuel economy, or make the engine stall when idling. Just like mowing dusty grass, driving dusty dirt roads will clog the air filter: avoid dust clouds. [8] This will go a long way to enhancing fuel efficiency. Get the lightest car that will serve your needs. Weight is one of the biggest causes for loss of kinetic energy in non-hybrid cars. If you're not shopping for cars, then take any extra weight off of the one you're already driving. If seats that you don't use can be removed, take them out. If you use your trunk as a storage space for heavy things, find another place for them. An extra 100 pounds increases fuel consumption by 1–2%. (Weight is most important in stop-and-go driving. In almost exclusively highway driving, it matters little: once the car is up to speed, it need only push air out of the way.) Don't remove things from the car that you need frequently; instead, make sure these are in the car and readily accessible because wasted trips to retrieve or replace them will be much worse than a little lower mileage. Narrow tires have less frontal area, thus reducing aerodynamic drag. Remember, however, that narrow tires have less traction as well (which is why race cars have such wide tires). Do not get a tire that is incompatible with your wheels (use the size tires that came stock on the vehicle), and do not get smaller wheels unless your manufacturer approves. These can increase fuel economy by a few percent. However, the difference is not startling or a substitute for proper inflation. It would be wasteful to replace the former tires with these before they are worn out. Make sure the oxygen sensors, engine emissions system, and evaporative emissions control systems are in good shape on fuel-injected cars. Often the "check engine light" coming on is an indication that there is a problem with one of these components. A damaged oxygen sensor may cause your car to have too rich of a fuel mixture, decreasing your fuel mileage by 20% or more. Advertisement If your fuel runs low, you could put stress on the fuel pump. However, 10 gallons (37.9 L) of gas adds 60 pounds of weight. A half-full tank may increase your mileage. [9] This can increase your gas mileage by up to 15% if you follow the manufacturer's instructions and recommended usage. Be aware that the usefulness of this is questionable: it may be unlikely that synthetic-oil "additive" would cause a car to work much less hard; it would not make the oil overall much less viscous, and circulating the oil is only a relatively small task for a car engine. No two fuels are the same, and while "discount" brand fuel may save you a few cents per L or Gal, it can contain a higher percentage of ethanol, which burns at a faster rate. Compare the mileage between fuel companies and see what is best for your car. [10] Try to avoid using the air conditioner in stop-and-go city driving as it causes the engine to work hard and consume more fuel. However, studies show that at highway speeds cars get somewhat better mileage with the AC on and the windows rolled up. The drag caused by rolled down windows at high speed reduces fuel efficiency more than the AC. [11] If you're trying to find a direct way to control the amount of gas you are using, monitor how hard your engine is working is key. A/C, acceleration, and speed all, of course, affect work but these are not direct indicators. Try monitoring the R.P.M.s (or revolutions per minute) your engine is running at. It's like monitoring your pulse to find out how hard your heart is working You will find that there are RPM ranges which are ideal for your car and others that are not. If you find the engine is running at above 3000 R.P.M.s, it's possible you're accelerating at an unnecessarily a low gear. So, ease off the pedal and let the engine build up a higher speed at a lower RPM. The lower average RPM you travel the lower your work and this directly determines your gas mileage. How do you monitor your RPM? Most cars have a left gauge next to the speedometer called the tachometer. It measures your RPM at x1000 which means if your gauge indicates halfway between 2 & 3, you're running at 2,500 RPM. A comfort/efficient RPM zone is between 2,000 and 3,000 RPM; however, try to stay below 2,000 as much as possible and not much over 2,700 unless necessary, such as when you are moving uphill through a traffic light from a stopped position. This means you won't get above 40 mph (64 km/h) and you'll achieve 50–55 mph (80–89 km/h) in the city and up to 65 mph (105 km/h) on the highway and still be running at 2,500 RPM. Try to find your comfort/efficient zone and perhaps you can get a few more M.P.G.s by watching how hard your engine is working! Be aware that some vehicles are monitored by x100. Advertisement [12] In most situations, using your cruise control reduces fuel consumption by maintaining a constant speed. The faster you move, the harder your engine has to work to push through the air. Speeding can reduce fuel efficiency by up to 33%. (Factors other than air resistance decrease fuel economy below about 60 mph (97 km/h), so fuel economy is not a reason to go slower, but fuel economy decreases rapidly above that speed). Engines are most efficient with moderately high air flow (throttle) and at revolutions per minute (RPM)s up to their power peak (for small to mid sized engines this is generally somewhere between 4k to 5k RPM). In a manual transmission car, practice 'short shifting', or shifting to higher gears as soon as you reach your desired speed by skipping intermediate gears. For example, accelerate to 40 mph (64 km/h) using 1st gear and 2nd gear, then shift directly to 4th (skipping 3rd), or if your engine can maintain your speed, to 5th. (Be aware that if you have to floor the accelerator pedal in 5th to maintain your speed, you should be in 4th!). [13] Braking wastes energy from fuel that you have already burned, and accelerating after braking consumes more fuel than driving at a constant speed. On city streets watch ahead and coast when you see a red light or traffic jam ahead. Idling a vehicle wastes a significant amount of fuel. The best way to warm up a vehicle is to drive it slowly until it reaches proper operating temperature. However, in very cold weather it is still advisable to let the engine idle for about a minute or two before driving. Some cars get better mileage at specific speeds, usually 50 mph (80 km/h). Your car's "sweet speed" is the minimum speed at which the car is running in its highest gear (watch for rpm drops as you accelerate to determine when your transmission is shifting into higher gears). For example, most Jeep Cherokees are best at 55 mph (89 km/h), and Toyota 4Runners are best at about 50 mph (80 km/h). Find your vehicle's "sweet speed" and pick your roads accordingly. [14] Make sure you enable overdrive if your car has an automatic transmission with overdrive, except when towing very heavy trailers. Overdrive is by default enabled on the "D" on most shifters. Several cars have buttons on the shifter which allow you to turn off the overdrive gear. Don't turn it off except in specific circumstances it may be needed such as for engine braking downhill or failure to proceed uphill smoothly in overdrive. Overdrive saves you gas mileage at higher speeds by using a higher gear in the transmission. For example, for every ¾ of a turn of the engine going into the transmission, the output of the trans is one. Look for a spot in the empty half of the parking lot. Many people spend significant time idling and creeping, waiting for a "close spot" to open up. Don't stick to the bumper of the car directly in front of you. You will brake more and accelerate more to keep that unnecessary and dangerously narrow gap. Relax. Hang back a bit. This also gives you a lot more room to play with when you are timing lights. When the driver ahead of you slams on his brakes, you can coast down and see if the light quick-changes green again (some do). You might even coast by his car as the light turns green and he has to accelerate from a dead stop. If your route will allow it, try to make as few left turns as possible on the way to your destination (or right turns in countries with left-hand traffic). Stopping and waiting at an intersection to make a turn across the oncoming lane lets the engine run idle, which wastes gas, as does accelerating once again to make the turn. [15] Advertisement Keep lists of needs that will require a trip and try to accomplish multiple objectives with each. This will not increase your fuel mileage (the number of miles your car moves for each gallon of gas), but it will help you drive less (which, in turn, means you use less gas). Take the route with the fewest stops and turns and least traffic. Take highways in preference to city streets when possible. Maintain a log over time of how many miles you go (the main odometer) and how much gas you put in (from the gas pump, including fractions). [16] Put it in a spreadsheet. It will keep you focused, and other methods are inaccurate; you will never know for sure if you're saving fuel, wasting fuel or just seeing errors from gas pumps that stop pumping at different points, or fractions of miles being dropped off your 'trip' odometer when you reset it. Advertisement Search Add New Question Question If I drive my car 100 km per hour, can I expect good mileage? Community Answer You can expect a pretty good mileage, although usually the best mileage can be achieved at around 80km/h. Question Is it possible to get good gas mileage in a Jeep Wrangler? Community Answer You can get probably about 26 MPG going 45-55 MPH while drafting roughly 50 feet behind a semi-truck and constantly moving. Otherwise, if you are in a city environment or cruise on the freeway at 80 MPH, you'll be lucky to get more than 18 MPG. Question What is the sweet speed of Toyota Avanza auto gear car? Community Answer As mentioned, while driving what at what speed your RPM is low. The level of RPM at which the speed is more, but RPM is less, is the "Sweet Speed." See more answers Ask a Question 200 characters left Include your email address to get a message when this question is answered. Submit Advertisement Your fuel mileage depends mostly on your driving habits. Drive conservatively and you'll notice a difference. Thanks If your car has a roof rack, remove it if possible while not in use. If the entire unit can't be removed, take the cross bars off to reduce frontal area and drag. Thanks Keep carbon deposits from building in your engine by revving the engine to high engine RPM's about once a week. Interstate on-ramps and overtaking vehicles are good times to do this. Thanks Show More Tips Thanks for submitting a tip for review! Advertisement Driving slowly on the highway may be dangerous. It is usually illegal to drive more than 15 mph (24 km/h) below the posted speed limit without having the emergency flashers activated. Thanks Beware of quack remedies and testimonials about amazing savings. Every magnet and wonder widget that was debunked in the 70's is back again to tempt a new generation. Thanks Be careful when using oil additives, some can void a warranty. Read the back of the packaging before use...or consult your vehicles' manufacturer. Thanks Driving close to another car is always unsafe; "drafting", more so. Driving close to another car also has legal ramifications. Other dangers include the car in front: suddenly hit the brakes or stop, swerve to avoid something in the road, pass over something in the road that your car does not have enough ground clearance to go over, kick up road debris, have an accident. Always remain at a safe distance from traffic. Thanks Beware of 'chipping' and other seemingly minor, yet significant vehicle modifications. These will certainly void the warranty, and the wrong one can save fuel and damage expensive engine components for your trouble. Thanks Usually a 3 second following distance is most effective for maintaining a safe following distance and to avoid road hazards even if they are hidden by the vehicle in front of you. [17] Thanks Advertisement References About This Article Article Summary X To increase fuel mileage on a car, make sure that your tires are properly inflated because that can increase your fuel efficiency by up to 3%. Similarly, make sure to complete regular maintenance on your car since a dirty air filter or old spark plugs will make the engine less efficient. To increase your fuel mileage while driving, try to avoid using the A/C, which burns a lot of gas. You can also increase your fuel economy by using high-quality gasoline, which contains less ethanol and will last longer than the cheap stuff. To learn how to change your driving habits to save fuel, keep reading! Did this summary help you? Thanks to all authors for creating a page that has been read 1,189,957 times. Reader Success Stories Anonymous Aug 3, 2017 "It's just really helpful to get some answers about fuel efficiency in my SUV and what I can do to improve it. ..." more Did this article help you?
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Ed Beery is an Automotive Specialist and the Owner of InTechgrity Automotive Excellence based in Denver, Colorado. With more than eight years of experience, he specializes in providing maintenance and repair services for both individuals and companies. Ed and the InTechgrity Automotive Excellence Team are approved by the American Automobile Association (AAA) for repairs and are Automotive Service Excellence (ASE) certified. There are [16 references](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#References) cited in this article, which can be found at the bottom of the page. wikiHow marks an article as reader-approved once it receives enough positive feedback. This article received 19 testimonials and 100% of readers who voted found it helpful, earning it our reader-approved status. This article has been viewed 1,189,957 times. As gas prices continue to climb, increasing the fuel mileage is the best way to protect your pocket book. Here are a few ways to spend less money on gas by increasing your car's efficiency in using it. ## Steps Method 1 Method 1 of 4: ### Optimizing Your Car [![PDF download](https://www.wikihow.com/extensions/wikihow/socialstamp/images/icon-pdf.svg) Download Article](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) 1. [![Step 1 Set the car tires to the proper inflation.](https://www.wikihow.com/images/thumb/0/09/Increase-Fuel-Mileage-on-a-Car-Step-1-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-1-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-1-Version-2.jpg) 1 Set the car tires to the proper inflation. Properly inflated tires can reduce fuel consumption by up to 3%.[\[1\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-1) X [Trustworthy Source](https://www.wikihow.com/wikiHow:Delivering-a-Trustworthy-Experience) FuelEconomy.gov Official source for the U.S. government for fuel economy information [Go to source](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) Your tires also lose about 1 PSI per month, and when the tires are cold (e.g., in the winter),[\[2\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-2) X [Trustworthy Source](https://www.wikihow.com/wikiHow:Delivering-a-Trustworthy-Experience) Consumer Reports Nonprofit organization dedicated to consumer advocacy and product testing [Go to source](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) their pressure will decrease due to the thermal contraction of the air. It is recommended to check tires at least monthly, preferably weekly. Having properly inflated tires will also help you avoid uneven wear on the tread.[\[3\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-3) X Research source - Some fuel stations have automatic air compressors that stop at a predetermined level. (For safety, double-check pressure with your own gauge, especially if another is suggesting you add a surprisingly large amount of air.) - Small permanently-installed valve-stem extensions can allow filling without removing the caps, but check that they are not prone to jamming with foreign matter and leaking. - Recommended inflation pressures are for cold tires; it is best to inflate first thing in the morning or you've driven less than two miles so your reading will be accurate. If you have been driving around for a while or it is hot outside, add 3 PSI. Inflate to the pressure recommended by your car's manual or the sticker on your driver-side doorpost. Be aware that the reading stamped on the tire is the maximum tire pressure, not the recommended. 2. [![Step 2 Tune up the engine.](https://www.wikihow.com/images/thumb/a/a9/Increase-Fuel-Mileage-on-a-Car-Step-2-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-2-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-2-Version-2.jpg) 2 Tune up the engine. A properly tuned engine maximizes power and can greatly enhance fuel efficiency.[\[4\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-4)X [Expert Source](https://www.wikihow.com/wikiHow:Delivering-a-Trustworthy-Experience) [![Ed Beery](https://www.wikihow.com/images/thumb/e/eb/Ed_Beery.png/-crop-100-100-100px-Ed_Beery.png)Ed Beery Automotive Specialist](https://www.wikihow.com/Author/Ed-Beery) Expert Interview Beware, though, that many tuners will disable efficiency measures when tuning for power. - Be sure you are keeping good spark plugs in the engine,[\[5\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-5) X Research source changing the oil on time,[\[6\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-6) X [Trustworthy Source](https://www.wikihow.com/wikiHow:Delivering-a-Trustworthy-Experience) Consumer Reports Nonprofit organization dedicated to consumer advocacy and product testing [Go to source](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) making sure the air filter is clean, etc.[\[7\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-7) X [Trustworthy Source](https://www.wikihow.com/wikiHow:Delivering-a-Trustworthy-Experience) FuelEconomy.gov Official source for the U.S. government for fuel economy information [Go to source](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) Advertisement 3. [![Step 3 Check the condition of your engine air filter.](https://www.wikihow.com/images/thumb/7/75/Increase-Fuel-Mileage-on-a-Car-Step-3-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-3-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-3-Version-2.jpg) 3 Check the condition of your engine air filter. A dirty filter will reduce fuel economy, or make the engine stall when idling. Just like mowing dusty grass, driving dusty dirt roads will clog the air filter: avoid dust clouds. 4. [![Step 4 Replace the fuel filter according to the car manufacturer's recommended schedule.](https://www.wikihow.com/images/thumb/4/47/Increase-Fuel-Mileage-on-a-Car-Step-4-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-4-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-4-Version-2.jpg) 4 Replace the fuel filter according to the car manufacturer's recommended schedule.[\[8\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-8)X [Expert Source](https://www.wikihow.com/wikiHow:Delivering-a-Trustworthy-Experience) [![Ed Beery](https://www.wikihow.com/images/thumb/e/eb/Ed_Beery.png/-crop-100-100-100px-Ed_Beery.png)Ed Beery Automotive Specialist](https://www.wikihow.com/Author/Ed-Beery) Expert Interview This will go a long way to enhancing fuel efficiency. 5. [![Step 5 Lighten your load.](https://www.wikihow.com/images/thumb/2/29/Increase-Fuel-Mileage-on-a-Car-Step-5-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-5-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-5-Version-2.jpg) 5 Lighten your load. Get the lightest car that will serve your needs. Weight is one of the biggest causes for loss of kinetic energy in non-hybrid cars. If you're not shopping for cars, then take any extra weight off of the one you're already driving. If seats that you don't use can be removed, take them out. If you use your trunk as a storage space for heavy things, find another place for them. An extra 100 pounds increases fuel consumption by 1–2%. (Weight is most important in stop-and-go driving. In almost exclusively highway driving, it matters little: once the car is up to speed, it need only push air out of the way.) Don't remove things from the car that you need frequently; instead, make sure these are in the car and readily accessible because wasted trips to retrieve or replace them will be much worse than a little lower mileage. 6. [![Step 6 Select the narrowest possible tires for your vehicle that will satisfy your driving style and demands.](https://www.wikihow.com/images/thumb/2/2b/Increase-Fuel-Mileage-on-a-Car-Step-6-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-6-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-6-Version-2.jpg) 6 Select the narrowest possible tires for your vehicle that will satisfy your driving style and demands. Narrow tires have less frontal area, thus reducing aerodynamic drag. Remember, however, that narrow tires have less traction as well (which is why race cars have such wide tires). Do not get a tire that is incompatible with your wheels (use the size tires that came stock on the vehicle), and do not get smaller wheels unless your manufacturer approves. 7. [![Step 7 Select low-rolling-resistance compound tires.](https://www.wikihow.com/images/thumb/b/b8/Increase-Fuel-Mileage-on-a-Car-Step-7-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-7-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-7-Version-2.jpg) 7 Select low-rolling-resistance compound tires. These can increase fuel economy by a few percent. However, the difference is not startling or a substitute for proper inflation. It would be wasteful to replace the former tires with these before they are worn out. 8. [![Step 8 Make sure the...](https://www.wikihow.com/images/thumb/9/92/Increase-Fuel-Mileage-on-a-Car-Step-8-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-8-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-8-Version-2.jpg) 8 Make sure the oxygen sensors, engine emissions system, and evaporative emissions control systems are in good shape on fuel-injected cars. Often the "check engine light" coming on is an indication that there is a problem with one of these components. A damaged oxygen sensor may cause your car to have too rich of a fuel mixture, decreasing your fuel mileage by 20% or more. Method 2 Method 2 of 4: ### Fuel Savings [![PDF download](https://www.wikihow.com/extensions/wikihow/socialstamp/images/icon-pdf.svg) Download Article](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) 1. [![Step 1 When you fill up with gas, fill up halfway and try to keep your tank above one quarter full.](https://www.wikihow.com/images/thumb/b/bd/Increase-Fuel-Mileage-on-a-Car-Step-9-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-9-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-9-Version-2.jpg) 1 When you fill up with gas, fill up halfway and try to keep your tank above one quarter full. If your fuel runs low, you could put stress on the fuel pump. However, 10 gallons (37.9 L) of gas adds 60 pounds of weight. A half-full tank may increase your mileage. 2. [![Step 2 Add a synthetic oil additive to either natural or synthetic oil when getting your oil changed.](https://www.wikihow.com/images/thumb/1/13/Increase-Fuel-Mileage-on-a-Car-Step-10-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-10-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-10-Version-2.jpg) 2 Add a synthetic oil additive to either natural or synthetic oil when getting your oil changed.[\[9\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-9) X Research source This can increase your gas mileage by up to 15% if you follow the manufacturer's instructions and recommended usage. Be aware that the usefulness of this is questionable: it may be unlikely that synthetic-oil "additive" would cause a car to work much less hard; it would not make the oil overall much less viscous, and circulating the oil is only a relatively small task for a car engine. 3. [![Step 3 Buy quality fuel.](https://www.wikihow.com/images/thumb/7/7d/Increase-Fuel-Mileage-on-a-Car-Step-11-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-11-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-11-Version-2.jpg) 3 Buy quality fuel. No two fuels are the same, and while "discount" brand fuel may save you a few cents per L or Gal, it can contain a higher percentage of ethanol, which burns at a faster rate. Compare the mileage between fuel companies and see what is best for your car.[\[10\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-10) X [Trustworthy Source](https://www.wikihow.com/wikiHow:Delivering-a-Trustworthy-Experience) Consumer Reports Nonprofit organization dedicated to consumer advocacy and product testing [Go to source](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) 4. [![Step 4 Try to avoid...](https://www.wikihow.com/images/thumb/c/c8/Increase-Fuel-Mileage-on-a-Car-Step-13-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-13-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-13-Version-2.jpg) 4 Try to avoid using the air conditioner in stop-and-go city driving as it causes the engine to work hard and consume more fuel. However, studies show that at highway speeds cars get somewhat better mileage with the AC on and the windows rolled up. The drag caused by rolled down windows at high speed reduces fuel efficiency more than the AC.[\[11\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-11) X [Trustworthy Source](https://www.wikihow.com/wikiHow:Delivering-a-Trustworthy-Experience) FuelEconomy.gov Official source for the U.S. government for fuel economy information [Go to source](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) 5. [![Step 5 If you're trying...](https://www.wikihow.com/images/thumb/4/4a/Increase-Fuel-Mileage-on-a-Car-Step-14-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-14-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-14-Version-2.jpg) 5 If you're trying to find a direct way to control the amount of gas you are using, monitor how hard your engine is working is key. A/C, acceleration, and speed all, of course, affect work but these are not direct indicators. Try monitoring the R.P.M.s (or revolutions per minute) your engine is running at. It's like monitoring your pulse to find out how hard your heart is working You will find that there are RPM ranges which are ideal for your car and others that are not. - If you find the engine is running at above 3000 R.P.M.s, it's possible you're accelerating at an unnecessarily a low gear. So, ease off the pedal and let the engine build up a higher speed at a lower RPM. The lower average RPM you travel the lower your work and this directly determines your gas mileage. - How do you monitor your RPM? Most cars have a left gauge next to the speedometer called the tachometer. It measures your RPM at x1000 which means if your gauge indicates halfway between 2 & 3, you're running at 2,500 RPM. A comfort/efficient RPM zone is between 2,000 and 3,000 RPM; however, try to stay below 2,000 as much as possible and not much over 2,700 unless necessary, such as when you are moving uphill through a traffic light from a stopped position. This means you won't get above 40 mph (64 km/h) and you'll achieve 50–55 mph (80–89 km/h) in the city and up to 65 mph (105 km/h) on the highway and still be running at 2,500 RPM. Try to find your comfort/efficient zone and perhaps you can get a few more M.P.G.s by watching how hard your engine is working\! - Be aware that some vehicles are monitored by x100. Method 3 Method 3 of 4: ### Your Driving Habits [![PDF download](https://www.wikihow.com/extensions/wikihow/socialstamp/images/icon-pdf.svg) Download Article](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) 1. [![Step 1 Use cruise control.](https://www.wikihow.com/images/thumb/2/2a/Increase-Fuel-Mileage-on-a-Car-Step-15-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-15-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-15-Version-2.jpg) 1 Use cruise control.[\[12\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-12) X Research source In most situations, using your cruise control reduces fuel consumption by maintaining a constant speed. 2. [![Step 2 Slow down.](https://www.wikihow.com/images/thumb/3/30/Increase-Fuel-Mileage-on-a-Car-Step-16-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-16-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-16-Version-2.jpg) 2 Slow down. The faster you move, the harder your engine has to work to push through the air. Speeding can reduce fuel efficiency by up to 33%. (Factors other than air resistance decrease fuel economy below about 60 mph (97 km/h), so fuel economy is not a reason to go slower, but fuel economy decreases rapidly above that speed). 3. [![Step 3 Accelerate smoothly with moderate throttle.](https://www.wikihow.com/images/thumb/c/ce/Increase-Fuel-Mileage-on-a-Car-Step-17-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-17-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-17-Version-2.jpg) 3 Accelerate smoothly with moderate throttle. Engines are most efficient with moderately high air flow (throttle) and at revolutions per minute (RPM)s up to their power peak (for small to mid sized engines this is generally somewhere between 4k to 5k RPM). In a manual transmission car, practice 'short shifting', or shifting to higher gears as soon as you reach your desired speed by skipping intermediate gears. For example, accelerate to 40 mph (64 km/h) using 1st gear and 2nd gear, then shift directly to 4th (skipping 3rd), or if your engine can maintain your speed, to 5th. (Be aware that if you have to floor the accelerator pedal in 5th to maintain your speed, you should be in 4th!).[\[13\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-13) X Research source 4. [![Step 4 Avoid braking wherever possible.](https://www.wikihow.com/images/thumb/3/3d/Increase-Fuel-Mileage-on-a-Car-Step-18-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-18-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-18-Version-2.jpg) 4 Avoid braking wherever possible. Braking wastes energy from fuel that you have already burned, and accelerating after braking consumes more fuel than driving at a constant speed. On city streets watch ahead and coast when you see a red light or traffic jam ahead. 5. [![Step 5 Avoid excessive idling.](https://www.wikihow.com/images/thumb/d/d7/Increase-Fuel-Mileage-on-a-Car-Step-19-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-19-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-19-Version-2.jpg) 5 Avoid excessive idling. Idling a vehicle wastes a significant amount of fuel. The best way to warm up a vehicle is to drive it slowly until it reaches proper operating temperature. However, in very cold weather it is still advisable to let the engine idle for about a minute or two before driving. 6. [![Step 6 Find your car's "sweet speed".](https://www.wikihow.com/images/thumb/0/00/Increase-Fuel-Mileage-on-a-Car-Step-20-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-20-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-20-Version-2.jpg) 6 Find your car's "sweet speed". Some cars get better mileage at specific speeds, usually 50 mph (80 km/h). Your car's "sweet speed" is the minimum speed at which the car is running in its highest gear (watch for rpm drops as you accelerate to determine when your transmission is shifting into higher gears). For example, most Jeep Cherokees are best at 55 mph (89 km/h), and Toyota 4Runners are best at about 50 mph (80 km/h). Find your vehicle's "sweet speed" and pick your roads accordingly.[\[14\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-14) X Research source 7. [![Step 7 Make sure you...](https://www.wikihow.com/images/thumb/c/ca/Increase-Fuel-Mileage-on-a-Car-Step-21-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-21-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-21-Version-2.jpg) 7 Make sure you enable overdrive if your car has an automatic transmission with overdrive, except when towing very heavy trailers. Overdrive is by default enabled on the "D" on most shifters. Several cars have buttons on the shifter which allow you to turn off the overdrive gear. Don't turn it off except in specific circumstances it may be needed such as for engine braking downhill or failure to proceed uphill smoothly in overdrive. Overdrive saves you gas mileage at higher speeds by using a higher gear in the transmission. For example, for every ¾ of a turn of the engine going into the transmission, the output of the trans is one. 8. [![Step 8 Don't circle in a parking lot, and keep well away from the store fronts.](https://www.wikihow.com/images/thumb/f/fc/Increase-Fuel-Mileage-on-a-Car-Step-22-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-22-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-22-Version-2.jpg) 8 Don't circle in a parking lot, and keep well away from the store fronts. Look for a spot in the empty half of the parking lot. Many people spend significant time idling and creeping, waiting for a "close spot" to open up. 9. [![Step 9 Maintain a safe following distance.](https://www.wikihow.com/images/thumb/5/56/Increase-Fuel-Mileage-on-a-Car-Step-23-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-23-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-23-Version-2.jpg) 9 Maintain a safe following distance. Don't stick to the bumper of the car directly in front of you. You will brake more and accelerate more to keep that unnecessary and dangerously narrow gap. Relax. Hang back a bit. This also gives you a lot more room to play with when you are timing lights. When the driver ahead of you slams on his brakes, you can coast down and see if the light quick-changes green again (some do). You might even coast by his car as the light turns green and he has to accelerate from a dead stop. 10. [![Step 10 Avoid turning across oncoming traffic.](https://www.wikihow.com/images/thumb/d/d0/Make-a-Three-Point-Turn-Step-13-Version-2.jpg/v4-460px-Make-a-Three-Point-Turn-Step-13-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Make-a-Three-Point-Turn-Step-13-Version-2.jpg) 10 Avoid turning across oncoming traffic. If your route will allow it, try to make as few left turns as possible on the way to your destination (or right turns in countries with left-hand traffic). Stopping and waiting at an intersection to make a turn across the oncoming lane lets the engine run idle, which wastes gas, as does accelerating once again to make the turn.[\[15\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-15) X Research source Method 4 Method 4 of 4: ### Planning Ahead [![PDF download](https://www.wikihow.com/extensions/wikihow/socialstamp/images/icon-pdf.svg) Download Article](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) 1. [![Step 1 Plan your trips.](https://www.wikihow.com/images/thumb/0/01/Increase-Fuel-Mileage-on-a-Car-Step-26-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-26-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-26-Version-2.jpg) 1 Plan your trips. Keep lists of needs that will require a trip and try to accomplish multiple objectives with each. This will not increase your fuel mileage (the number of miles your car moves for each gallon of gas), but it will help you drive less (which, in turn, means you use less gas). 2. [![Step 2 Plan your route carefully.](https://www.wikihow.com/images/thumb/6/67/Increase-Fuel-Mileage-on-a-Car-Step-27-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-27-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-27-Version-2.jpg) 2 Plan your route carefully. Take the route with the fewest stops and turns and least traffic. Take highways in preference to city streets when possible. 3. [![Step 3 Maintain a log...](https://www.wikihow.com/images/thumb/e/e5/Increase-Fuel-Mileage-on-a-Car-Step-28.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-28.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-28.jpg) 3 Maintain a log over time of how many miles you go (the main odometer) and how much gas you put in (from the gas pump, including fractions).[\[16\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-16) X Research source Put it in a spreadsheet. It will keep you focused, and other methods are inaccurate; you will never know for sure if you're saving fuel, wasting fuel or just seeing errors from gas pumps that stop pumping at different points, or fractions of miles being dropped off your 'trip' odometer when you reset it. ## Community Q\&A Search [Add New Question]() - Question If I drive my car 100 km per hour, can I expect good mileage? ![Community Answer](https://www.wikihow.com/images/thumb/0/0a/CommunityAvatar1.png/-crop-104-104-104px-CommunityAvatar1.png) Community Answer You can expect a pretty good mileage, although usually the best mileage can be achieved at around 80km/h. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even \$1 helps us in our mission. [Support wikiHow](https://www.wikihow.com/wikiHow:Contribute) [Yes](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [No](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Not Helpful 4](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Helpful 18](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) - Question Is it possible to get good gas mileage in a Jeep Wrangler? ![Community Answer](https://www.wikihow.com/images/thumb/b/b0/CommunityAvatar2.png/-crop-104-104-104px-CommunityAvatar2.png) Community Answer You can get probably about 26 MPG going 45-55 MPH while drafting roughly 50 feet behind a semi-truck and constantly moving. Otherwise, if you are in a city environment or cruise on the freeway at 80 MPH, you'll be lucky to get more than 18 MPG. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even \$1 helps us in our mission. [Support wikiHow](https://www.wikihow.com/wikiHow:Contribute) [Yes](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [No](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Not Helpful 7](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Helpful 18](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) - Question What is the sweet speed of Toyota Avanza auto gear car? ![Community Answer](https://www.wikihow.com/images/thumb/f/f2/CommunityAvatar3.png/-crop-104-104-104px-CommunityAvatar3.png) Community Answer As mentioned, while driving what at what speed your RPM is low. The level of RPM at which the speed is more, but RPM is less, is the "Sweet Speed." Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even \$1 helps us in our mission. [Support wikiHow](https://www.wikihow.com/wikiHow:Contribute) [Yes](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [No](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Not Helpful 10](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Helpful 21](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [See more answers](https://www.wikihow.com/Questions/Increase-Fuel-Mileage-on-a-Car#offset=3) Ask a Question 200 characters left Include your email address to get a message when this question is answered. [Submit]() Advertisement ## Tips - Your fuel mileage depends mostly on your driving habits. Drive conservatively and you'll notice a difference. Thanks [Helpful 0](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Not Helpful 0](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) - If your car has a roof rack, remove it if possible while not in use. If the entire unit can't be removed, take the cross bars off to reduce frontal area and drag. Thanks [Helpful 0](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Not Helpful 0](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) - Keep carbon deposits from building in your engine by revving the engine to high engine RPM's about once a week. Interstate on-ramps and overtaking vehicles are good times to do this. Thanks [Helpful 0](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Not Helpful 0](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Show More Tips](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) Submit a Tip All tip submissions are carefully reviewed before being published Name Please provide your name and last initial [Submit](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) Thanks for submitting a tip for review\! Advertisement ## Warnings - Driving slowly on the highway may be dangerous. It is usually illegal to drive more than 15 mph (24 km/h) below the posted speed limit without having the emergency flashers activated. Thanks [Helpful 28](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Not Helpful 14](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) - Beware of quack remedies and testimonials about amazing savings. Every magnet and wonder widget that was debunked in the 70's is back again to tempt a new generation. Thanks [Helpful 1](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Not Helpful 0](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) - Be careful when using oil additives, some can void a warranty. Read the back of the packaging before use...or consult your vehicles' manufacturer. Thanks [Helpful 1](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Not Helpful 1](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) - Driving close to another car is \always\ unsafe; "drafting", more so. Driving close to another car also has legal ramifications. Other dangers include the car in front: suddenly hit the brakes or stop, swerve to avoid something in the road, pass over something in the road that your car does not have enough ground clearance to go over, kick up road debris, have an accident. Always remain at a safe distance from traffic. Thanks [Helpful 0](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Not Helpful 0](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) - Beware of 'chipping' and other seemingly minor, yet significant vehicle modifications. These will certainly void the warranty, and the wrong one can save fuel and damage expensive engine components for your trouble. Thanks [Helpful 0](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Not Helpful 0](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) - Usually a 3 second following distance is most effective for maintaining a safe following distance and to avoid road hazards even if they are hidden by the vehicle in front of you.[\[17\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-17) X Research source Thanks [Helpful 0](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Not Helpful 0](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) Advertisement ## You Might Also Like [![Hypermile]() How to Hypermile ![](https://www.wikihow.com/images/thumb/1/1f/Hypermile-Step-6.jpg/-crop-342-184-245px-Hypermile-Step-6.jpg)](https://www.wikihow.com/Hypermile) [![Get the Best Gas Mileage from Your Toyota Prius]() How to Get the Best Gas Mileage from Your Toyota Prius ![](https://www.wikihow.com/images/thumb/6/66/Get-the-Best-Gas-Mileage-from-Your-Toyota-Prius-Step-30.jpg/-crop-342-184-245px-Get-the-Best-Gas-Mileage-from-Your-Toyota-Prius-Step-30.jpg)](https://www.wikihow.com/Get-the-Best-Gas-Mileage-from-Your-Toyota-Prius) [![Calculate Fuel Consumption]() How to Compute Your Car’s Fuel Consumption ![](https://www.wikihow.com/images/thumb/7/78/Calculate-Fuel-Consumption-Step-21-Version-2.jpg/-crop-342-184-245px-Calculate-Fuel-Consumption-Step-21-Version-2.jpg)](https://www.wikihow.com/Calculate-Fuel-Consumption) [![Calculate Your Car's Fuel Efficiency (MPG)]() How to Calculate Your Car's Fuel Efficiency (MPG) ![](https://www.wikihow.com/images/thumb/9/99/Calculate-Your-Car%27s-Fuel-Efficiency-%28MPG%29-Step-9-Version-2.jpg/-crop-342-184-246px-Calculate-Your-Car%27s-Fuel-Efficiency-%28MPG%29-Step-9-Version-2.jpg)](https://www.wikihow.com/Calculate-Your-Car%27s-Fuel-Efficiency-$MPG$) [![Check Air Pressure in Tires]() How to Check Air Pressure in Tires ![](https://www.wikihow.com/images/thumb/6/6d/Check-Air-Pressure-in-Tires-Step-9-Version-4.jpg/-crop-342-184-245px-Check-Air-Pressure-in-Tires-Step-9-Version-4.jpg)](https://www.wikihow.com/Check-Air-Pressure-in-Tires) [![Put Air in a Tire]() How to Put Air in a Tire ![](https://www.wikihow.com/images/thumb/7/7d/Put-Air-in-a-Tire-Step-14-Version-3.jpg/-crop-342-184-327px-Put-Air-in-a-Tire-Step-14-Version-3.jpg)](https://www.wikihow.com/Put-Air-in-a-Tire) [![Go Faster on a Bicycle]() How to Go Faster on a Bicycle ![](https://www.wikihow.com/images/thumb/9/91/Go-Faster-on-a-Bicycle-Step-14.jpg/-crop-342-184-245px-Go-Faster-on-a-Bicycle-Step-14.jpg)](https://www.wikihow.com/Go-Faster-on-a-Bicycle) [![Modify Your Car for Better Performance]() How to Modify Your Car for Better Performance ![](https://www.wikihow.com/images/thumb/8/8c/Increase-the-Horsepower-of-Your-4-Cylinder-Car-Step-13.jpg/-crop-342-184-245px-Increase-the-Horsepower-of-Your-4-Cylinder-Car-Step-13.jpg)](https://www.wikihow.com/Modify-Your-Car-for-Better-Performance) [![Overinflated Tires]()Overinflated Tires: Why It Matters (and How to Handle It) ![](https://www.wikihow.com/images/thumb/1/1f/Overinflated-Tires-Step-13-Version-2.jpg/-crop-342-184-245px-Overinflated-Tires-Step-13-Version-2.jpg)](https://www.wikihow.com/Overinflated-Tires) [![Fill Air in a Car's Tires]() How to Fill Air in a Car's Tires ![](https://www.wikihow.com/images/thumb/4/43/Fill-Air-in-a-Car%27s-Tires-Step-12-Version-6.jpg/-crop-342-184-327px-Fill-Air-in-a-Car%27s-Tires-Step-12-Version-6.jpg)](https://www.wikihow.com/Fill-Air-in-a-Car%27s-Tires) [![Use Hybrid Cars Efficiently]() How to Use Hybrid Cars Efficiently ![](https://www.wikihow.com/images/thumb/7/7d/Use-Hybrid-Cars-Efficiently-Step-12-Version-2.jpg/-crop-342-184-245px-Use-Hybrid-Cars-Efficiently-Step-12-Version-2.jpg)](https://www.wikihow.com/Use-Hybrid-Cars-Efficiently) [![Drive Safely in Heavy Traffic]() How to Drive Safely in Heavy Traffic ![](https://www.wikihow.com/images/thumb/6/6e/Reduce-Fuel-Consumption-in-a-Car-Step-7-Version-2.jpg/-crop-342-184-245px-Reduce-Fuel-Consumption-in-a-Car-Step-7-Version-2.jpg)](https://www.wikihow.com/Drive-Safely-in-Heavy-Traffic) [![Check the Tire Pressure at a Gas Station]() How to Check the Tire Pressure at a Gas Station ![](https://www.wikihow.com/images/thumb/4/4c/Check-the-Tire-Pressure-at-a-Gas-Station-Step-15-Version-2.jpg/-crop-342-184-245px-Check-the-Tire-Pressure-at-a-Gas-Station-Step-15-Version-2.jpg)](https://www.wikihow.com/Check-the-Tire-Pressure-at-a-Gas-Station) [![Drive Uphill]() How to Drive Uphill ![](https://www.wikihow.com/images/thumb/1/1f/Drive-Uphill-Step-25.jpg/-crop-342-184-245px-Drive-Uphill-Step-25.jpg)](https://www.wikihow.com/Drive-Uphill) Advertisement ## References 1. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-1) <https://www.fueleconomy.gov/feg/maintain.jsp> 2. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-2) <https://www.consumerreports.org/cars/tires/why-tires-go-flat-in-cold-weather-a2422532504/> 3. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-3) <https://www.cars.com/articles/how-to-properly-check-and-fill-tires-1420663066288/> 4. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-4) Ed Beery. Automotive Specialist. Expert Interview 5. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-5) <https://www.familyhandyman.com/automotive/car-maintenance/how-to-replace-spark-plugs/> 6. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-6) <https://www.consumerreports.org/car-maintenance/things-to-know-about-oil-changes-for-your-car/> 7. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-7) <https://www.fueleconomy.gov/feg/maintain.jsp> 8. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-8) Ed Beery. Automotive Specialist. Expert Interview 9. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-9) <https://www.moneycrashers.com/ways-improve-gas-mileage/> [More References (10)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#aiinfo) 1. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-10) <https://www.consumerreports.org/fuel-economy-efficiency/how-to-get-the-best-fuel-economy-now/> 2. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-11) <https://www.fueleconomy.gov/feg/hotweather.shtml> 3. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-12) <https://www.moneycrashers.com/ways-improve-gas-mileage/> 4. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-13) <https://www.investopedia.com/financial-edge/0211/9-easy-ways-to-increase-your-gas-mileage.aspx> 5. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-14) <https://learn.eartheasy.com/guides/fuel-efficient-driving/> 6. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-15) <https://priceonomics.com/why-ups-trucks-dont-turn-left/> 7. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-16) <https://www.ucsusa.org/clean-vehicles/fuel-efficiency/how-to-maximize-fuel-economy> 8. [↑](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_ref-17) <http://www.driversedguru.com/driving-articles/drivers-ed-extras/the-3-second-following-distance-rule/> 9. <https://www.fueleconomy.gov/feg/coldweather.shtml> 10. [A comprehensive list of quantified car modifications](http://ecomodder.com/wiki/index.php/Car_MPG_Efficiency_Modifications_Main) ## About This Article ![Ed Beery](https://www.wikihow.com/images/thumb/e/eb/Ed_Beery.png/-crop-100-100-100px-Ed_Beery.png) Co-authored by: [Ed Beery](https://www.wikihow.com/Author/Ed-Beery) Automotive Specialist This article was co-authored by [Ed Beery](https://www.wikihow.com/Author/Ed-Beery). Ed Beery is an Automotive Specialist and the Owner of InTechgrity Automotive Excellence based in Denver, Colorado. With more than eight years of experience, he specializes in providing maintenance and repair services for both individuals and companies. Ed and the InTechgrity Automotive Excellence Team are approved by the American Automobile Association (AAA) for repairs and are Automotive Service Excellence (ASE) certified. This article has been viewed 1,189,957 times. 2 votes - 100% Co-authors: 97 Updated: February 26, 2026 Views: 1,189,957 Categories: [Efficient Driving](https://www.wikihow.com/Category:Efficient-Driving "Category:Efficient Driving") \\| [Vehicle Fuels and Fluids](https://www.wikihow.com/Category:Vehicle-Fuels-and-Fluids "Category:Vehicle Fuels and Fluids") [Article SummaryX](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#summary_wrapper) To increase fuel mileage on a car, make sure that your tires are properly inflated because that can increase your fuel efficiency by up to 3%. Similarly, make sure to complete regular maintenance on your car since a dirty air filter or old spark plugs will make the engine less efficient. To increase your fuel mileage while driving, try to avoid using the A/C, which burns a lot of gas. You can also increase your fuel economy by using high-quality gasoline, which contains less ethanol and will last longer than the cheap stuff. To learn how to change your driving habits to save fuel, keep reading\! Did this summary help you? 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I have no one to ask, so wikiHow is like a friendly mechanic. Now I need to have air and fuel filters checked, and spark plugs, too! Thanks!"..." [more](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [More reader stories](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Hide reader stories](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [Share your story](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) ## Did this article help you? Yes No [![]()![](https://www.wikihow.com/images/4/40/Tech_v12_stock_728x180.jpg)](https://www.wikihow.com/Tech-Help-Pro?utm_source=wikihow&utm_medium=bottom&utm_campaign=tech_v12_stock) Advertisement Cookies make wikiHow better. By continuing to use our site, you agree to our [cookie policy](https://www.wikihow.com/wikiHow:Cookie-Policy). ![Ed Beery](https://www.wikihow.com/images/thumb/e/eb/Ed_Beery.png/-crop-100-100-100px-Ed_Beery.png) Co-authored by: [Ed Beery](https://www.wikihow.com/Author/Ed-Beery) Automotive Specialist Co-authors: 97 Updated: February 26, 2026 Views: 1,189,957 100% of readers found this article helpful. 2 votes - 100% Click a star to add your vote ![Anonymous](https://www.wikihow.com/images/thumb/b/b0/CommunityAvatar2.png/-crop-72-72-72px-CommunityAvatar2.png) Anonymous Aug 3, 2017 "It's just really helpful to get some answers about fuel efficiency in my SUV and what I can do to improve it. I have no one to ask, so wikiHow is like a friendly mechanic. Now I need to have air and fuel filters checked, and spark plugs, too! Thanks!"..." [more](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) ![Eric Rowland](https://www.wikihow.com/images/thumb/b/b0/CommunityAvatar2.png/-crop-72-72-72px-CommunityAvatar2.png) Eric Rowland Jul 22, 2016 "The article helped in general, but I will benefit from the mention given about not keeping the clutch depressed when waiting at traffic lights. It has been a habit of mine in the past."..." [more](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) ![Anonymous](https://www.wikihow.com/images/thumb/0/0a/CommunityAvatar1.png/-crop-72-72-72px-CommunityAvatar1.png) Anonymous Feb 17, 2017 "All the tips were helpful. Correct tire pressure, half full tank, clean air filter, coasting, engine off, stay on engine sweet speed, plan trips, avoid excessive breaking."..." [more](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) ![Anonymous](https://www.wikihow.com/images/thumb/b/b0/CommunityAvatar2.png/-crop-72-72-72px-CommunityAvatar2.png) Anonymous Jul 4, 2016 "The article answered me how I can make my car fuel-friendly by changing my driving habits and keeping the car updated and using care on roads."..." [more](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) ![Abu Salih](https://www.wikihow.com/images/thumb/0/0a/CommunityAvatar1.png/-crop-72-72-72px-CommunityAvatar1.png) Abu Salih Sep 28, 2016 "Excellent information. I tried this many times, it helped me often. More over I could share the information in my training session."..." 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Readable Markdown	[![PDF download](https://www.wikihow.com/extensions/wikihow/socialstamp/images/icon-pdf.svg) Download Article](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) [![PDF download](https://www.wikihow.com/extensions/wikihow/socialstamp/images/icon-pdf.svg) Download Article](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) - [Optimizing Your Car](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#Optimizing-Your-Car) - [Fuel Savings](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#Fuel-Savings) - [Your Driving Habits](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#Your-Driving-Habits) - [Planning Ahead](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#Planning-Ahead) - [Q\&A](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#qa_headline) - [Tips](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#tips) - [Warnings](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#warnings) As gas prices continue to climb, increasing the fuel mileage is the best way to protect your pocket book. Here are a few ways to spend less money on gas by increasing your car's efficiency in using it. 1. [![Step 1 Set the car tires to the proper inflation.](https://www.wikihow.com/images/thumb/0/09/Increase-Fuel-Mileage-on-a-Car-Step-1-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-1-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-1-Version-2.jpg) Properly inflated tires can reduce fuel consumption by up to 3%.[\[1\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-1) Your tires also lose about 1 PSI per month, and when the tires are cold (e.g., in the winter),[\[2\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-2) their pressure will decrease due to the thermal contraction of the air. It is recommended to check tires at least monthly, preferably weekly. Having properly inflated tires will also help you avoid uneven wear on the tread.[\[3\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-3) - Some fuel stations have automatic air compressors that stop at a predetermined level. (For safety, double-check pressure with your own gauge, especially if another is suggesting you add a surprisingly large amount of air.) - Small permanently-installed valve-stem extensions can allow filling without removing the caps, but check that they are not prone to jamming with foreign matter and leaking. - Recommended inflation pressures are for cold tires; it is best to inflate first thing in the morning or you've driven less than two miles so your reading will be accurate. If you have been driving around for a while or it is hot outside, add 3 PSI. Inflate to the pressure recommended by your car's manual or the sticker on your driver-side doorpost. Be aware that the reading stamped on the tire is the maximum tire pressure, not the recommended. 2. [![Step 2 Tune up the engine.](https://www.wikihow.com/images/thumb/a/a9/Increase-Fuel-Mileage-on-a-Car-Step-2-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-2-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-2-Version-2.jpg) A properly tuned engine maximizes power and can greatly enhance fuel efficiency.[\[4\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-4) Beware, though, that many tuners will disable efficiency measures when tuning for power. - Be sure you are keeping good spark plugs in the engine,[\[5\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-5) changing the oil on time,[\[6\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-6) making sure the air filter is clean, etc.[\[7\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-7) Advertisement 3. [![Step 3 Check the condition of your engine air filter.](https://www.wikihow.com/images/thumb/7/75/Increase-Fuel-Mileage-on-a-Car-Step-3-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-3-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-3-Version-2.jpg) A dirty filter will reduce fuel economy, or make the engine stall when idling. Just like mowing dusty grass, driving dusty dirt roads will clog the air filter: avoid dust clouds. 4. [![Step 4 Replace the fuel filter according to the car manufacturer's recommended schedule.](https://www.wikihow.com/images/thumb/4/47/Increase-Fuel-Mileage-on-a-Car-Step-4-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-4-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-4-Version-2.jpg) [\[8\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-8) This will go a long way to enhancing fuel efficiency. 5. [![Step 5 Lighten your load.](https://www.wikihow.com/images/thumb/2/29/Increase-Fuel-Mileage-on-a-Car-Step-5-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-5-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-5-Version-2.jpg) Get the lightest car that will serve your needs. Weight is one of the biggest causes for loss of kinetic energy in non-hybrid cars. If you're not shopping for cars, then take any extra weight off of the one you're already driving. If seats that you don't use can be removed, take them out. If you use your trunk as a storage space for heavy things, find another place for them. An extra 100 pounds increases fuel consumption by 1–2%. (Weight is most important in stop-and-go driving. In almost exclusively highway driving, it matters little: once the car is up to speed, it need only push air out of the way.) Don't remove things from the car that you need frequently; instead, make sure these are in the car and readily accessible because wasted trips to retrieve or replace them will be much worse than a little lower mileage. 6. [![Step 6 Select the narrowest possible tires for your vehicle that will satisfy your driving style and demands.](https://www.wikihow.com/images/thumb/2/2b/Increase-Fuel-Mileage-on-a-Car-Step-6-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-6-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-6-Version-2.jpg) Narrow tires have less frontal area, thus reducing aerodynamic drag. Remember, however, that narrow tires have less traction as well (which is why race cars have such wide tires). Do not get a tire that is incompatible with your wheels (use the size tires that came stock on the vehicle), and do not get smaller wheels unless your manufacturer approves. 7. [![Step 7 Select low-rolling-resistance compound tires.](https://www.wikihow.com/images/thumb/b/b8/Increase-Fuel-Mileage-on-a-Car-Step-7-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-7-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-7-Version-2.jpg) These can increase fuel economy by a few percent. However, the difference is not startling or a substitute for proper inflation. It would be wasteful to replace the former tires with these before they are worn out. 8. [![Step 8 Make sure the...](https://www.wikihow.com/images/thumb/9/92/Increase-Fuel-Mileage-on-a-Car-Step-8-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-8-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-8-Version-2.jpg) Make sure the oxygen sensors, engine emissions system, and evaporative emissions control systems are in good shape on fuel-injected cars. Often the "check engine light" coming on is an indication that there is a problem with one of these components. A damaged oxygen sensor may cause your car to have too rich of a fuel mixture, decreasing your fuel mileage by 20% or more. 1. [![Step 1 When you fill up with gas, fill up halfway and try to keep your tank above one quarter full.](https://www.wikihow.com/images/thumb/b/bd/Increase-Fuel-Mileage-on-a-Car-Step-9-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-9-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-9-Version-2.jpg) If your fuel runs low, you could put stress on the fuel pump. However, 10 gallons (37.9 L) of gas adds 60 pounds of weight. A half-full tank may increase your mileage. 2. [![Step 2 Add a synthetic oil additive to either natural or synthetic oil when getting your oil changed.](https://www.wikihow.com/images/thumb/1/13/Increase-Fuel-Mileage-on-a-Car-Step-10-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-10-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-10-Version-2.jpg) [\[9\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-9) This can increase your gas mileage by up to 15% if you follow the manufacturer's instructions and recommended usage. Be aware that the usefulness of this is questionable: it may be unlikely that synthetic-oil "additive" would cause a car to work much less hard; it would not make the oil overall much less viscous, and circulating the oil is only a relatively small task for a car engine. 3. [![Step 3 Buy quality fuel.](https://www.wikihow.com/images/thumb/7/7d/Increase-Fuel-Mileage-on-a-Car-Step-11-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-11-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-11-Version-2.jpg) No two fuels are the same, and while "discount" brand fuel may save you a few cents per L or Gal, it can contain a higher percentage of ethanol, which burns at a faster rate. Compare the mileage between fuel companies and see what is best for your car.[\[10\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-10) 4. [![Step 4 Try to avoid...](https://www.wikihow.com/images/thumb/c/c8/Increase-Fuel-Mileage-on-a-Car-Step-13-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-13-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-13-Version-2.jpg) Try to avoid using the air conditioner in stop-and-go city driving as it causes the engine to work hard and consume more fuel. However, studies show that at highway speeds cars get somewhat better mileage with the AC on and the windows rolled up. The drag caused by rolled down windows at high speed reduces fuel efficiency more than the AC.[\[11\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-11) 5. [![Step 5 If you're trying...](https://www.wikihow.com/images/thumb/4/4a/Increase-Fuel-Mileage-on-a-Car-Step-14-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-14-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-14-Version-2.jpg) If you're trying to find a direct way to control the amount of gas you are using, monitor how hard your engine is working is key. A/C, acceleration, and speed all, of course, affect work but these are not direct indicators. Try monitoring the R.P.M.s (or revolutions per minute) your engine is running at. It's like monitoring your pulse to find out how hard your heart is working You will find that there are RPM ranges which are ideal for your car and others that are not. - If you find the engine is running at above 3000 R.P.M.s, it's possible you're accelerating at an unnecessarily a low gear. So, ease off the pedal and let the engine build up a higher speed at a lower RPM. The lower average RPM you travel the lower your work and this directly determines your gas mileage. - How do you monitor your RPM? Most cars have a left gauge next to the speedometer called the tachometer. It measures your RPM at x1000 which means if your gauge indicates halfway between 2 & 3, you're running at 2,500 RPM. A comfort/efficient RPM zone is between 2,000 and 3,000 RPM; however, try to stay below 2,000 as much as possible and not much over 2,700 unless necessary, such as when you are moving uphill through a traffic light from a stopped position. This means you won't get above 40 mph (64 km/h) and you'll achieve 50–55 mph (80–89 km/h) in the city and up to 65 mph (105 km/h) on the highway and still be running at 2,500 RPM. Try to find your comfort/efficient zone and perhaps you can get a few more M.P.G.s by watching how hard your engine is working\! - Be aware that some vehicles are monitored by x100. 1. [![Step 1 Use cruise control.](https://www.wikihow.com/images/thumb/2/2a/Increase-Fuel-Mileage-on-a-Car-Step-15-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-15-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-15-Version-2.jpg) [\[12\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-12) In most situations, using your cruise control reduces fuel consumption by maintaining a constant speed. 2. [![Step 2 Slow down.](https://www.wikihow.com/images/thumb/3/30/Increase-Fuel-Mileage-on-a-Car-Step-16-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-16-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-16-Version-2.jpg) The faster you move, the harder your engine has to work to push through the air. Speeding can reduce fuel efficiency by up to 33%. (Factors other than air resistance decrease fuel economy below about 60 mph (97 km/h), so fuel economy is not a reason to go slower, but fuel economy decreases rapidly above that speed). 3. [![Step 3 Accelerate smoothly with moderate throttle.](https://www.wikihow.com/images/thumb/c/ce/Increase-Fuel-Mileage-on-a-Car-Step-17-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-17-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-17-Version-2.jpg) Engines are most efficient with moderately high air flow (throttle) and at revolutions per minute (RPM)s up to their power peak (for small to mid sized engines this is generally somewhere between 4k to 5k RPM). In a manual transmission car, practice 'short shifting', or shifting to higher gears as soon as you reach your desired speed by skipping intermediate gears. For example, accelerate to 40 mph (64 km/h) using 1st gear and 2nd gear, then shift directly to 4th (skipping 3rd), or if your engine can maintain your speed, to 5th. (Be aware that if you have to floor the accelerator pedal in 5th to maintain your speed, you should be in 4th!).[\[13\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-13) 4. [![Step 4 Avoid braking wherever possible.](https://www.wikihow.com/images/thumb/3/3d/Increase-Fuel-Mileage-on-a-Car-Step-18-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-18-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-18-Version-2.jpg) Braking wastes energy from fuel that you have already burned, and accelerating after braking consumes more fuel than driving at a constant speed. On city streets watch ahead and coast when you see a red light or traffic jam ahead. 5. [![Step 5 Avoid excessive idling.](https://www.wikihow.com/images/thumb/d/d7/Increase-Fuel-Mileage-on-a-Car-Step-19-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-19-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-19-Version-2.jpg) Idling a vehicle wastes a significant amount of fuel. The best way to warm up a vehicle is to drive it slowly until it reaches proper operating temperature. However, in very cold weather it is still advisable to let the engine idle for about a minute or two before driving. 6. [![Step 6 Find your car's "sweet speed".](https://www.wikihow.com/images/thumb/0/00/Increase-Fuel-Mileage-on-a-Car-Step-20-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-20-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-20-Version-2.jpg) Some cars get better mileage at specific speeds, usually 50 mph (80 km/h). Your car's "sweet speed" is the minimum speed at which the car is running in its highest gear (watch for rpm drops as you accelerate to determine when your transmission is shifting into higher gears). For example, most Jeep Cherokees are best at 55 mph (89 km/h), and Toyota 4Runners are best at about 50 mph (80 km/h). Find your vehicle's "sweet speed" and pick your roads accordingly.[\[14\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-14) 7. [![Step 7 Make sure you...](https://www.wikihow.com/images/thumb/c/ca/Increase-Fuel-Mileage-on-a-Car-Step-21-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-21-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-21-Version-2.jpg) Make sure you enable overdrive if your car has an automatic transmission with overdrive, except when towing very heavy trailers. Overdrive is by default enabled on the "D" on most shifters. Several cars have buttons on the shifter which allow you to turn off the overdrive gear. Don't turn it off except in specific circumstances it may be needed such as for engine braking downhill or failure to proceed uphill smoothly in overdrive. Overdrive saves you gas mileage at higher speeds by using a higher gear in the transmission. For example, for every ¾ of a turn of the engine going into the transmission, the output of the trans is one. 8. [![Step 8 Don't circle in a parking lot, and keep well away from the store fronts.](https://www.wikihow.com/images/thumb/f/fc/Increase-Fuel-Mileage-on-a-Car-Step-22-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-22-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-22-Version-2.jpg) Look for a spot in the empty half of the parking lot. Many people spend significant time idling and creeping, waiting for a "close spot" to open up. 9. [![Step 9 Maintain a safe following distance.](https://www.wikihow.com/images/thumb/5/56/Increase-Fuel-Mileage-on-a-Car-Step-23-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-23-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-23-Version-2.jpg) Don't stick to the bumper of the car directly in front of you. You will brake more and accelerate more to keep that unnecessary and dangerously narrow gap. Relax. Hang back a bit. This also gives you a lot more room to play with when you are timing lights. When the driver ahead of you slams on his brakes, you can coast down and see if the light quick-changes green again (some do). You might even coast by his car as the light turns green and he has to accelerate from a dead stop. 10. [![Step 10 Avoid turning across oncoming traffic.](https://www.wikihow.com/images/thumb/d/d0/Make-a-Three-Point-Turn-Step-13-Version-2.jpg/v4-460px-Make-a-Three-Point-Turn-Step-13-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Make-a-Three-Point-Turn-Step-13-Version-2.jpg) If your route will allow it, try to make as few left turns as possible on the way to your destination (or right turns in countries with left-hand traffic). Stopping and waiting at an intersection to make a turn across the oncoming lane lets the engine run idle, which wastes gas, as does accelerating once again to make the turn.[\[15\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-15) 1. [![Step 1 Plan your trips.](https://www.wikihow.com/images/thumb/0/01/Increase-Fuel-Mileage-on-a-Car-Step-26-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-26-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-26-Version-2.jpg) Keep lists of needs that will require a trip and try to accomplish multiple objectives with each. This will not increase your fuel mileage (the number of miles your car moves for each gallon of gas), but it will help you drive less (which, in turn, means you use less gas). 2. [![Step 2 Plan your route carefully.](https://www.wikihow.com/images/thumb/6/67/Increase-Fuel-Mileage-on-a-Car-Step-27-Version-2.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-27-Version-2.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-27-Version-2.jpg) Take the route with the fewest stops and turns and least traffic. Take highways in preference to city streets when possible. 3. [![Step 3 Maintain a log...](https://www.wikihow.com/images/thumb/e/e5/Increase-Fuel-Mileage-on-a-Car-Step-28.jpg/v4-460px-Increase-Fuel-Mileage-on-a-Car-Step-28.jpg)](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#/Image:Increase-Fuel-Mileage-on-a-Car-Step-28.jpg) Maintain a log over time of how many miles you go (the main odometer) and how much gas you put in (from the gas pump, including fractions).[\[16\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-16) Put it in a spreadsheet. It will keep you focused, and other methods are inaccurate; you will never know for sure if you're saving fuel, wasting fuel or just seeing errors from gas pumps that stop pumping at different points, or fractions of miles being dropped off your 'trip' odometer when you reset it. Search [Add New Question]() - Question If I drive my car 100 km per hour, can I expect good mileage? ![Community Answer](https://www.wikihow.com/images/thumb/0/0a/CommunityAvatar1.png/-crop-104-104-104px-CommunityAvatar1.png) Community Answer You can expect a pretty good mileage, although usually the best mileage can be achieved at around 80km/h. - Question Is it possible to get good gas mileage in a Jeep Wrangler? ![Community Answer](https://www.wikihow.com/images/thumb/b/b0/CommunityAvatar2.png/-crop-104-104-104px-CommunityAvatar2.png) Community Answer You can get probably about 26 MPG going 45-55 MPH while drafting roughly 50 feet behind a semi-truck and constantly moving. Otherwise, if you are in a city environment or cruise on the freeway at 80 MPH, you'll be lucky to get more than 18 MPG. - Question What is the sweet speed of Toyota Avanza auto gear car? ![Community Answer](https://www.wikihow.com/images/thumb/f/f2/CommunityAvatar3.png/-crop-104-104-104px-CommunityAvatar3.png) Community Answer As mentioned, while driving what at what speed your RPM is low. The level of RPM at which the speed is more, but RPM is less, is the "Sweet Speed." [See more answers](https://www.wikihow.com/Questions/Increase-Fuel-Mileage-on-a-Car#offset=3) Ask a Question 200 characters left Include your email address to get a message when this question is answered. [Submit]() Advertisement - Your fuel mileage depends mostly on your driving habits. Drive conservatively and you'll notice a difference. Thanks - If your car has a roof rack, remove it if possible while not in use. If the entire unit can't be removed, take the cross bars off to reduce frontal area and drag. Thanks - Keep carbon deposits from building in your engine by revving the engine to high engine RPM's about once a week. Interstate on-ramps and overtaking vehicles are good times to do this. Thanks [Show More Tips](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) Thanks for submitting a tip for review\! Advertisement - Driving slowly on the highway may be dangerous. It is usually illegal to drive more than 15 mph (24 km/h) below the posted speed limit without having the emergency flashers activated. Thanks - Beware of quack remedies and testimonials about amazing savings. Every magnet and wonder widget that was debunked in the 70's is back again to tempt a new generation. Thanks - Be careful when using oil additives, some can void a warranty. Read the back of the packaging before use...or consult your vehicles' manufacturer. Thanks - Driving close to another car is \always\ unsafe; "drafting", more so. Driving close to another car also has legal ramifications. Other dangers include the car in front: suddenly hit the brakes or stop, swerve to avoid something in the road, pass over something in the road that your car does not have enough ground clearance to go over, kick up road debris, have an accident. Always remain at a safe distance from traffic. Thanks - Beware of 'chipping' and other seemingly minor, yet significant vehicle modifications. These will certainly void the warranty, and the wrong one can save fuel and damage expensive engine components for your trouble. Thanks - Usually a 3 second following distance is most effective for maintaining a safe following distance and to avoid road hazards even if they are hidden by the vehicle in front of you.[\[17\]](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#_note-17) Thanks Advertisement ## References About This Article [Article SummaryX](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car#summary_wrapper) To increase fuel mileage on a car, make sure that your tires are properly inflated because that can increase your fuel efficiency by up to 3%. Similarly, make sure to complete regular maintenance on your car since a dirty air filter or old spark plugs will make the engine less efficient. To increase your fuel mileage while driving, try to avoid using the A/C, which burns a lot of gas. You can also increase your fuel economy by using high-quality gasoline, which contains less ethanol and will last longer than the cheap stuff. To learn how to change your driving habits to save fuel, keep reading\! Did this summary help you? Thanks to all authors for creating a page that has been read 1,189,957 times. Reader Success Stories - ![Anonymous](https://www.wikihow.com/images/thumb/f/f2/CommunityAvatar3.png/-crop-72-72-72px-CommunityAvatar3.png) Anonymous Aug 3, 2017 "It's just really helpful to get some answers about fuel efficiency in my SUV and what I can do to improve it...." [more](https://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car) ## Did this article help you?
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