Originally Posted by bonechilling
The majority of air pollution comes from mobile sources, which
includes automobiles. Whether is comes from China, the third
world, or your parents' SUV is totally irrelevant.
not when a lot of those mobile sources are transportation infrastructure, which probably isn't going to embrace cycling or alternative energy sources (except, possibly biodiesel in some cases) anytime soon. passenger cars are actually pretty low on the list of consumers of petroleum fuels.