I can tell you didn't grow up during the 70's, with leaded gas and carburetors that dumped raw fuel out the tailpipe. In comparison, today's cars emit practica

I can tell you didn't grow up during the 70's, with leaded gas and carburetors that dumped raw fuel out the tailpipe. In comparison, today's cars emit practically nothing but water. (there's room for improvement of course - but I see that as being an EV once they get to a half-day's driving range)