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Fuel Saving Tips

Pump Fuel Cool and Slow

Pump gas in the morning when the ground tanks are cold. Fluids expand with heat, and a gallon of cold gas contains more fuel than a gallon of warm gas. The pump measures volume, so you'll be charged the same regardless. On a fuel pump nozzle, there are usually three settings: slow, medium, and fast. Fuel up your tank at the slowest possible rate the pump will allow. Pumping at slower rates reduces vapor pressure that gets recycled back into the ground tanks. Similarly, it's better to fill up at the beginning of your drive when the car is still cool.

posted by cbronson on June 9, 2009

this tip works for 28% of voting Fuelly members.

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