When the Mayor of London plans a ban on parking in all new apartment blocks, it is best not to assume, that car sales will go on up forever. Factor in trials of autonomous taxi-buses from Switzerland to New Zealand and the rise in internet shopping using electric delivery vans. They are all going to hit car sales, including taxis. Bill Gates’ Belmont new city in Arizona is being based on more space-efficient, safer, less expensive alternatives to cars. Cleaner too - even electric cars emit particulates from their tires.