The thing about the Convention is that it constrains governments, and it constrains the way that governments can treat minorities and people it doesn't like... If we were out of the ECHR, you wouldn't have that constraint
Tories are salivating at the thought
Cars are obviously good for long distances but maybe cars could be banned from city centres (perhaps with exceptions for disabled people who rely on cars, and goods vehicles should probably be allowed). For getting around a city, people can use public transport, or bicycles, or their feet to walk.
Also in cases where cars are used, electric cars are probably a good idea because it results in cleaner air.