Volkswagen has rolled out a very slick electric bike that folds up neatly into a small circular package that fits nicely into the trunk of a car. The big question is, why? One website suggested that it was for riding to the phone or the gas station if you got a flat tire, which is pretty silly. In fact, VW might be on to something here. They call their dreadfully named "EV Bik.e" a "mobility enhancer."...Read the full story on TreeHugger