[salamandersss]

>decades because the only force acting upon carmakers is the desire of the car buyer.

Trucks, and perhaps some cars also got bigger also because of fuel efficiency regulations (CAFE) that require a larger footprint if gas mileage is worse. They had to make for instance the Tacoma much larger to match a barely changed engine. And foreign small import trucks were stifled with the chicken tax, pushing consumers towards Americas McGigantic brands.