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289 . Avoid rough roads Driving on rough roads, such as those made of gravel or dirt, will reduce your fuel consumption by as much as 30 percent. asp. 983 .

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113 . com/usgas_index. If you are finding that you are constantly seeing less and less performance from your car and spending more for gas at the fuel pump then youll know that you need to take action so that you can start seeing a savings in your gas economy rather than a constant deficit.