Easily the biggest killer for most people in the continental US is winter road salt. You go to California and a decent fraction of people people are still drivi

Easily the biggest killer for most people in the continental US is winter road salt. You go to California and a decent fraction of people people are still driving the same 80s and 90s corollas in whatever condition at this point. That car was totalled decades ago in the northeast, and if it still exist you are liable to fall through the floorpan.