Not All Eco-Friendly Autos Have to Have Four Wheels

By: Brian G Randles - Published:   Updated: Mar 23 2011
Hybrid cars a stepping stone to the future of the auto industry. Another stepping stone is realizing that the traditional four-wheeled automobile will evolve with these eco-friendly cars, and some wheels will get lost along the way.

So check out these 13 two or three-wheeled hybrids that will change the way you look at autos.