Another electric bike

Motorcycling
1

http://www.enertiabike.com/content/blogsection/2/34/

2

nice,zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz:D

3

Interesting, but slow, expensive, and it only has a short range.

Once we have a safe way of storing compressed hydrogen on a bike, I believe fuel cell technology will be the answer.