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keep it running for short times

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โˆ™ 2007-10-10 03:04:13
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Q: Is it more fuel efficient to leave your car running or shut it off?
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What feature in a car fuel makes it more fuel efficient?

A car has to be fuel efficient. It means it has to completely burn the fuel.

Does is use more gasoline to start and stop an engine or to leave it running if only for a short period of time?

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Does running air conditioner burn more gas?

Driving with the windows down and AC off at lower speeds is more fuel efficient. At higher speeds(45+), having the windows down will create more drag and it is more efficient to have the windows up with the AC on.

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Electric pumps are more efficient pushing versus pulling and the fuel cools the pump.Electric pumps are more efficient pushing versus pulling and the fuel cools the pump.

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