http://www.popularmechanics.com/blogs/automotive_news/4216271.html Hybrid (electric motor) Chopper .. won't appeal to all, but pretty cool "Loud pipes may save lives, but quiet, all-electric motorcycles may save the planet. Well, sort of. But, hey, at least they'll save some coin when you silently whiz past the gas station. We got a chance to see a lithium-ion powered chopper when Hybrid Technologies (the same guys with the electric roadster and the electric mini cooper) swung by out office. Their Stealth motorcycle has a horsepower equivalent to a 500-cc bike, and it tops out at around 50 mph. That's not much on the highway, but it's plenty of speed to zoom around town. And at least your neighbors won't complain about the noise: This is one good looking, yet nearly silent hog. Check out the video below.... â€”Benjamin Chertoff"