There might be only one veggie-powered Chevrolet Corvette in the world, and it's part of the 24 Hours of LeMons endurance racing series that showcases $500 beater cars. "Spank," the owner and builder, has pieced together the Cor-Vegge on a a C4 Corvette body, powered by a 1980s Oldsmobile diesel engine and fueled by waste vegetable oil.
Filling the tank with used fry oil is gaining in popularity but still far from mainstream. Part of the reason is clearly the limited popularity and availability of diesel passenger cars in the US compared to many other markets. Actually getting and using veggie oil is also more hassle than just driving into your local gas station. You can usually get it from many restaurants for free, but it needs to be filtered and it doesn't work well in cold weather. A La Crosse, Wisconsin company called INOV