designed without steering wheel or pedals.
hangzhou, china, a city of 6.77 million, bikeshares 50,000 bikes at 2,050 stations, an average of 240,000 trips a day.
Impressed 345 have been sold. Tesla now on dance floor.
Scientists at MIT are testing a new power generation, storage and propulsion system known as the GreenWheel that will turn any pedal bicycle into an electric hog.
A propeller that swims by itself evolves into pedal-powered submarine. via boingboing [PR]