I think it's obvious that an electric car will put out less pollution than a normal car would when they are driving but if you are charging your car with electricity that comes from fossil fuels then there is obviously work left to be done. If more and more people use electric cars and make demand for electricity go up then I think you are basically just having the same result as before. If we combined different types of power into our grids then maybe it wouldn't be so bad. Having a grid powered by a combination of coal, oil, solar, wind and water would be better than trying to do it all with only one type in my opinion. I personally would not get an electric car because it wouldn't come close to providing me with what I need but if others want to then that's great. I don't think there is one perfect energy source though and you can't just stop using oil since that would kill thousands of jobs and a lot of local communities and economies and it wouldn't really make the situation better. The technology has to catch up our ideas first.