Spending Less 101

MPG: Tailgate Up or Down?

You will probably have a hard time believing this, but there is virtually no difference in gas mileage between driving your pickup truck with the tailgate up and down.  Evidently, when you drive along, a bubble of stagnant air forms in the bed, allowing the air to flow over it as if it were part of the truck.  With the bed down, the bubble is gone and resistance is increased.

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© Copyright 2009, John A. Simpson. All Rights Reserved.

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