Lean, Mean and Green machines
You've seen the sexiest 'green' cars, now checkout the The 10 Fastest Green Cars on the Planet. The Dodge Viper shown below 8.3-liter V-10 stock engine was modified to run on ethanol. The result was a street legal 1200-horsepower enginee, with a top speed of 220.7 mph.
Read more at http://www.wired.com/cars/energy/multimedia/2007/08/gallery_green_cars
