Though you can alleviate some of that by using a shared space concept and limiting cars to 15 kilometres an hour outside of the main streets, and 30 in general in residential areas.
The biggest problem with cars is city planning around car use. I live 800m away from a Supermarket which I can go to by tram (1 stop) or drive to, but I can't walk to. Suburban America is coming to Europe - except in America there is so much space for roads that Riverside, CA had more bike lanes on streets 5 years ago than I expect Madrid to have 5 years from now. The peak-to-trough part of the business cycle is an outlier. Carnot would have died laughing.
Paris apartments are way too small now - they weren't 100 years ago when kids casually played in the street. Un roi sans divertissement est un homme plein de misères
