The Future of Autos are constantly changing. There was a time not so long ago when the possibility of propelling a car on something other than oil just seemed futuristic. Well, we have caught up to the future and more and more autos are going green.

From MIDI's Air Car to the Prius, 10w40.com presents a series of articles below about the future of autos:

Air Cars

Solar Cars

Flying Cars

Fuel Cell Cars

Hybrid Cars

Electric Cars

Clean Fuels

Green Cars

Bioethanol

ULSD

Synthetic Fuels

Biobutanol

Biofuels