This is going to hurt the bottom line a bit! So wonder how the fix will affect their fuel mileage and used car prices? LINK The Environmental Protection Agency and California issued a notice of v...
I read the article on this. What I took away is that when the car detects a smog test it derates the engine to pass the smog. If a car is getting almost 40mpg without derating you will probably get a bit better MPG. Then again if the goverment logic is at work it will get 20 MPG with half the power