www.envbike.com
A new bike, runs on a fuel cell, which basicly does the opposite of the elctrolysis of water. Meaning the only emission is water (well, nearly). People will have fears over hydrogen, but you can fire bullets through fuel cells, and they will only smolder like a ciggerette, seemingly safer then petrol, you can also factor in, that while petrol will spread out and burn, hydrogen only goes up, making it safer. I'm trying to get envolved in this project, as i really am keen on it, and plan to buy myself an ENV. Just not sure how you are supposed to fill the fuel cell up, i have my own hydrogen.
Just thought you might be interested in a clean, cheap mode of transport (also plan to stick some together to make a boat on the island

Bah-this should be in the eco products forum, didnt see it before, sorry guys, if a mod would move it i'd appreciate it.