OT: Regarding your statement "from my over 30 years experience in the heavy equipment industry, EPA emissions requirements have resulted in the industry developing the most powerful, high torque, clean burning, fuel efficient, and long life engines we have ever had, ever, by far! It never would have happened without Government intervention. I believe automobile engines have had a similar record."
In regards to overall improvements fuel economy the modle T had BETTER fuel mileage than current automobiles. 1908 Ford Model T - 25 MPG 2008 EPA Average All Cars - 21 MPG
THANK GOD the government is not the answer to everything for everybody.