Quote Originally Posted by Triathlete View Post
Including those natural gas vehicles?
Well I don't know the specific models you're referring to, but my guess would be yes, recently produced natural gas vehicles (and probably even older natural gas vehicles) would most likely have better (more reduced) emissions because of newer, more advanced emissions controls/systems than most of the older vehicles that qualified for the Cash For Clunkers program.

But then, natural gas burns cleaner than gasoline anyway.

Natural Gas Car Highs: Cleaner & Cheaper than Gasoline