- Feb 1, 2010   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.

Implications - Eco-conscious designs come in all shapes and sizes, as companies search for new and interesting ways to integrate "green" technology into new products. These vehicles are the perfect rides for the environmentalist on-the-move who wouldn't mind cruising down the street in an unconventional way, raising awareness both about the unique product and the eco-friendly movement on the way.

Not All Eco-Friendly Autos Have to Have Four Wheels: