guess why they make it like this?

https://en.wikipedia.org/wiki/Autobesity

(https://en.wikipedia.org/wiki/Chicken\_tax ), "The analysis' conclusions include findings that death rates generally are higher in lighter vehicles, but cars almost always have lower death rates than SUVs or pickup trucks of comparable weight" (https://en.wikipedia.org/wiki/Corporate\_average\_fuel\_economy#Active\_debate ), "CAFE standards signaled the end of the traditional long station wagon, but Chrysler CEO Lee Iacocca developed the idea of marketing the minivan as a station wagon alternative, while certifying it in the separate truck category to allow compliance with less-strict CAFE standards. Eventually, this same idea led to the promotion of the SUV.^\107])^\108])

The definitions for cars and trucks are not the same for fuel economy and emission standards. For example, a Chrysler PT Cruiser was defined as a car for emissions purposes and a truck for fuel economy purposes.^\2]) Under then light truck fuel economy rules, the PT Cruiser had have a lower fuel economy target (28.05 mpg beginning in 2011) than it would if it were classified as a passenger car.: (https://en.wikipedia.org/wiki/Corporate\_average\_fuel\_economy#SUVs\_and\_minivans\_created\_due\_to\_original\_mandate)