I've heard that in Europe cars are allowed to use auto-dimmers, but for some backwards reason Americans don't enjoy that obvious feature. I drive a regular sed

I've heard that in Europe cars are allowed to use auto-dimmers, but for some backwards reason Americans don't enjoy that obvious feature. I drive a regular sedan, and since >50% of cars are ginormous trucks with fancy headlights, I'm regularly annoyed at all the high beams and misalignments.