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chill_out's avatar

Does driving with the windows open affect your MPG?

Asked by chill_out (116points) June 17th, 2008

I thought of this when driving from NY to the Jersey Shore and it seemed as though I expended more gas with the windows open, specifically on the highway. I would think it would have something to do with the wind creating a parachute-effect inside the car…. Any truth to this?

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