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Does Driving With Windows Down Use More Gas? [Solved]

Having your windows rolled down increases wind resistance, also known as drag, which slows your car down. As a result, it requires more fuel to run.

Air Conditioning vs. Windows Down - Best Gas Mileage

Will you get better

Windows Down or Air Conditioning On: Which Is Better for Fuel Economy?

Does

Mythbusters - Save more gas with AC on or Windows down Ans with AC

HOW