Deposits in the fuel and air intake system cause: * Hard starting. * Stalling. * Rough idling. * Hesitation. * Knocking. * Loss of power. * Poor fuel economy. * Increased emissions. * A need for higher octane gas. If it has been a year or 15000 miles your engine could have already built up ...

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Watch a video on how to reduce you gas expense and improve your fuel economy.

Driving StrategiesThe cheapest and easiest way to improve your fuel economy is to change how you drive your existing car. Air conditioning. As a general rule, if you are driving under 40 miles per hour (MPH), it is more fuel efficient to turn off the air conditioner and roll down the windows. Above 40 MPH, however, ...

You don't have to be a mechanic to be able to grasp the fact that a better running engine will use up less gas, and thereby reduce your annual fuel bill. Using some simple comparisons make it very clear: people need oxygen to breathe, fire won't burn without oxygen, and gasoline requires oxygen to explode with ...