Tailgate up or down? A Lesson in Fuel Efficiency

Which do you think is more aerodynamic – driving with your tailgate up or driving with your tailgate down? Autoblog.com recently partnered up with Ford Motor Company to test the myth that driving with your tailgate down can improve fuel efficiency.

Using Ford’s wind tunnel and “smoke wand”, they illustrate the way air moves across the frame of the truck. What they find may surprise you. Watch the video to find out how to save the most gas when driving your truck.