"Boat Tail" Increases Car's Miles Per Gallon by 15.1%

Want to improve your car's MPG and save a lot of money on gasoline this year? Then consider adding a "boat tail" to it! That's what a guy named Darin Cosgrove did to his 1998 Geo Metro/Pontiac Firefly. Using nothing but some aluminum framing, cardboard, and duct tape he was able to cut the car's drag coefficient significantly, making it more aerodynamic. This translated into a fuel efficiency boost of over 15%... a very nice improvement that will make it a lot cheaper to run!

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Guy Adds Boat Tail to Car, Increases MPG by 15.1%

Project: Geo Metro boat tail prototype - 15% MPG improvement @ 90 kph / 56 mph

Tags: Hypermiling, increase MPG