The tires, rubber emissions account for a decent chunk of ocean pollution.
https://www.thedrive.com/news/tire-dust-makes-up-the-majorit...
Still, if you solved those issues as well (and there is progress afaik?) it'd be fine. Cars are handy, and a necessity if you live somewhere rural. just keep them out of cities as much as possible, except for larger transports and emergency vehicles.