MIT projects:
Wireless twist throttle. Self contained. That's all. Used now-defunct A123 batteries. No production.
GreenWheel Gives any Bicycle an Electric Boost | Inhabitat - Sustainable Design Innovation, Eco Architecture, Green Building
Intuitive learning only, pollution sensors, full internet integration, yadda, programed and lockable via iPhone
security.
https://superpedestrian.com/
