http://en.wikipedia.org/wiki/Gyrobus http://en.wikipedia.org/wiki/Gyrobus Motorsport is arguably a latecomer to mechanical batteries, which have been used in v

http://en.wikipedia.org/wiki/Gyrobus http://en.wikipedia.org/wiki/Gyrobus Motorsport is arguably a latecomer to mechanical batteries, which have been used in vehicular, transport, industrial, and aerospace applications for a long, long time.