The Copenhagen Wheel was invented by MIT researchers. It is entirely autonomous and a lot of work is being done for the enhancement and advancement of it. The wheel contains an electric motor, three-speed internal hub gear, batteries, a torque sensor, and a GPRS and sensor kit that monitors CO, NOx, noise, relative humidity and temperature. The Copenhagen Wheel can be added to your existing bike, turning that aging lug in your garage into a slick mobility machine straight from the future. The wheel harvests energy as you pedal and when you brake, and ...