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Studies have concluded that if all gasoline vehicles were replaced with electric vehicles that ran on power produced at oil- or coal-burning power plants, the amount of pollution created by those power plants would be less than the amount of pollution from the same number of gasoline engines. So, even if we used the same power source (oil), we would still be cutting down on the pollution of the planet.
Obviously, switching from large single-passenger vehicles to smaller vehicles and public trans would create even less emissions.
Yvan is right that we all need to rethink our needs, and learn to give up on some of our wants, for the good of all. We cannot afford to be unyieldingly sefish about our personal needs, and let everyone else change. Large single-passenger vehicles, self-driven, highly dangerous and heavily polluting, were fine for another era, but for the industrialized world, that era has passed.
It's time to graduate to the next iteration of car--which I wish I could call, for the sake of this discussion, Car2.0... but I feel we've been driving Car Series 2 (Hybrids probably bring us up to Car2.7 now) since the aftermath of WWII, so I guess we're going to Car3.0 now.
And if you think there's a lot of difference between your present car and a Model A Ford, wait'll you see Car3.0...
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