The huge leap in the size of passenger vehicles is based on deliberate policy by the Biden administration, for no reason other than the increased profits of the car/petroleum industry's profits.
It is disastrous for the environment.
Yet 2 years after this announcement, the damage has become abundantly clear, but still they do nothing.
> Buttigieg's 2022 Emissions Standards Fail to Close 'Light Truck Loophole'