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17 DIY Cars Hacked for Fuel Efficiency

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greasecar baja bug photo

We love to see the clever, sometimes crazy, solutions people come up with to make their cars more Eco. Therefore, we've collected some of the wackiest options together in one place -- the cars both winning rallies and turning heads -- proving that a more sustainable lifestyle is just an idea away.

Vegetable Oil Powered Baja Bug


The Greasecar Motorsports Team wants to demonstrate that renewable fuels in a diesel motor can out-compete dinosaur juice. The demonstration has impressed enough people that Greasecar conversion kits now generate over $2 million annual sales. Greasecar claims customers can convert their ride in just a couple days with a basic mechanical aptitude.

Photo credit: Greasecar Motorsports

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