They don't have to? How about
They don't have to? How about you should for the benefit of the environment and pollution levels, asthma, and other diseases from car exhaust. How is it that Japan, Korea, Europe, and other countries get all these hybrids and plug in hybrids. Are the multinational oil cartels having some kind of a deal with car companies for more oil profits by holding back these autos from the US so we use more oil? If that is the case it is putting profit over health.