Car's running on gas is very old technology if rich american lobbist's were not making so much money gas companies, we would already have an alternative fuel. Gas companies don't reseach anther fuel source because its not profitable to the gas company. Gas is terrible for the environment and by using it we are giving money to rich americans and terrorists.
It's already been proven many years ago cars can run off of vegitiable oil. We need to produce our own clean burning fuel source in america even if its ethenol, some type of veg oil or whatever.