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  • Tips To Improve Gas Mileage

    Need more mileage from a tank of gas?
    Tips to get you started today.

    On the Road: Drive More Efficiently

  • Stay within posted speed limits. Gas mileage decreases rapidly at speeds above 60 miles per hour.

  • Stop aggressive driving. You can improve your gas mileage up to five percent around town if you avoid “jackrabbit” starts and stops by anticipating traffic conditions and driving gently.

  • Avoid unnecessary idling. It wastes fuel, costs you money, and pollutes the air. Turn off the engine if you anticipate a wait.

  • Combine errands. Several short trips taken from a cold start can use twice as much fuel as one trip covering the same distance when the engine is warm.

  • Use overdrive gears and cruise control when appropriate. They improve the fuel economy of your car when you’re driving on a highway.

  • Remove excess weight from the trunk. An extra 100 pounds in the trunk can reduce a typical car’s fuel economy by up to two percent.

  • Avoid packing items on top of your car. A loaded roof rack or carrier creates wind resistance and can decrease fuel economy by five percent.

    At the Garage: Maintain Your Car

  • Keep your engine tuned. Tuning your engine according to your owner’s manual can increase gas mileage by an average of four percent. Increases vary depending on a car’s condition.

  • Keep your tires properly inflated and aligned. It can increase gas mileage up to three percent.

  • Change your oil. According to the U.S. Department of Energy (DOE) and Environmental Protection Agency (EPA), you can improve your gas mileage by using the manufacturer’s recommended grade of motor oil. Motor oil that says “Energy Conserving” on the performance symbol of the American Petroleum Institute contains friction-reducing additives that can improve fuel economy.

  • Check and replace air filters regularly. Replacing clogged filters can increase gas mileage up to ten percent.

    At the Pump: Use the Octane Level You Need

  • Your owner’s manual recommends the most effective octane level for your car.
    For most cars, the recommended gasoline is regular octane.
    In most cases, using a higher octane gas than the manufacturer recommends offers no benefit.
    Unless your engine is knocking, buying higher octane gasoline is a waste of money.

    Acetone in fuel can Increase gas mileage.

  • Just one ounce of acetone per 10 gallons of gas can increase mileage, and performance.
    Acetone is available from most drug stores, hardware and department stores.
    Read full report on Acetone In Fuel.

    Low emissions and good fuel economy are both
    important for the environment.

    Use the Green Vehicle Guide to choose the cleanest and most
    fuel-efficient vehicle that meets your needs.

    1. Fill up your car or truck in the morning when the temperature is still cool. Remember that all service stations have their storage tanks buried below ground; and the colder the ground, the denser the gasoline. When it gets warmer gasoline expands, so if you're filling up in the afternoon or in the evening, what should be a gallon is not exactly a gallon. In the petroleum business, the specific gravity and temperature of the fuel (gasoline, diesel, jet fuel, ethanol and other petroleum products) are significant. Every truckload that we load is temperature-compensated so that the indicated gallonage is actually the amount pumped. A one-degree rise in temperature is a big deal for businesses, but service stations don't have temperature compensation at their pumps.

    2. If a tanker truck is filling the station's tank at the time you want to buy gas, do not fill up; most likely dirt and sludge in the tank is being stirred up when gas is being delivered, and you might be transferring that dirt from the bottom of their tank into your car's tank.

    3. Fill up when your gas tank is half-full (or half-empty), because the more gas you have in your tank the less air there is and gasoline evaporates rapidly, especially when it's warm. (Gasoline storage tanks have an internal floating 'roof' membrane to act as a barrier between the gas and the atmosphere, thereby minimizing evaporation.)

    4. If you look at the trigger you'll see that it has three delivery settings: slow, medium and high. When you're filling up do not squeeze the trigger of the nozzle to the high setting. You should be pumping at the slow setting, thereby minimizing vapors created while you are pumping. Hoses at the pump are corrugated; the corrugations act as a return path for vapor recovery from gas that already has been metered. If you are pumping at the high setting, the agitated gasoline contains more vapor, which is being sucked back into the underground tank so you're getting less gas for your money. Hope this will help ease your 'pain at the pump'