I think a lot of people don't realize how many regulations are designed by incumbent domestic companies explicitly for the purposes of making foreign companies and upstarts noncompetitive.
You're right that CAFE is literally designed to favor trucks. And the definition is so vague that even vehicles like the PT Cruiser are considered Light Trucks for the purposes of CAFE. It is also designed to hurt small cars, because vehicles with footprints (wheelbase * wheel wide) smaller than a Mustang (literally, to the square inch) have to face ever-more-strict CAFE standards.
As a result, cars like the Fit are might face a CAFE penalty while a base F150 does a-okay despite getting like half the fuel economy. And that's not even getting into BS like flex fuel credits (basically, being flex fuel capable is like adding ~5mpg to the vehicle CAFE score).
This is exactly why every small vehicle is a crossover anymore (they are light trucks for CAFE purposes), and why cars like the Civic get are today, the size an Accord was in 2005 (CAFE is less strict the larger the vehicle is).
You're right that CAFE is literally designed to favor trucks. And the definition is so vague that even vehicles like the PT Cruiser are considered Light Trucks for the purposes of CAFE. It is also designed to hurt small cars, because vehicles with footprints (wheelbase * wheel wide) smaller than a Mustang (literally, to the square inch) have to face ever-more-strict CAFE standards.
As a result, cars like the Fit are might face a CAFE penalty while a base F150 does a-okay despite getting like half the fuel economy. And that's not even getting into BS like flex fuel credits (basically, being flex fuel capable is like adding ~5mpg to the vehicle CAFE score).
This is exactly why every small vehicle is a crossover anymore (they are light trucks for CAFE purposes), and why cars like the Civic get are today, the size an Accord was in 2005 (CAFE is less strict the larger the vehicle is).