Hell yeah, it is dirtier. Bush reversed 30 years of progress on clean air.

Http://www.iht.com/articles/120572.html

By the way Don, what are you doing to reduce emissions? Have you car pooled lately or rode your bike to work? I did this morning..........

John, I 100% agree we need to get off of middle-east oil imports. However, I disagree with the method. I believe alternative fuels need to be refined in their development. Just think, if we spent the money we are spending in Iraq on the development of these alternative fuels, we would be able to kill two birds with one stone.

Quick article on Hydrogen fuel.

www.wired.com/wired/archive/11.04/ hydrogen.html