Earlier quoted context omitted.
"no cars allowed is nice in theory but not workable" I think cities existed before cars.
well they did, but you wouldn't want to live in most of them. what about ambulances? fireworkers? once your place is on fire, or your dad is having heart attack, you want help to arrive in eco-friendly manner half an hour too late? even places like Zermatt in Switzerland, which prides itself in banning all cars except electric has medical, technical and police guys routinely cruising the village in... you guessed it,…
Good delivery trucks could only be allowed between 5 and 6am. If shops need something urgent there are always transport bicyles/tricyles (with or without electric support).