Photo: David Buchwaldek Human Powered Electric Amphibious Vehicle (HEPAV) A velomobile is a "a human-powered vehicle, enclosed for aerodynamic advantage and protection from weather and collisions, [...] derived from recumbent bicycles and tricycles." The list of features doesn't usually include the ability to move on both land and water, but Czech inventor David Buchwaldek's HEPAV is of a new breed. In fact, it is kind of like the offspring of an electric-assist trike and a kayak....Read the full story on TreeHugger