Do electric cars have an air pollution problem?

In part seven of our series exploring myths surrounding EVs, we look at claims friction on brakes and tyres will affect air qualityAre EVs too costly to tempt drivers?Is it right to have range anxiety?Toxic smog has been a part of big city life since the Industrial Revolution: a pea-soup blanket of harmful particulates that can be so thick that seeing and breathing is difficult. Yet in many cities in the rich world that dirty pall has been banished as car engines have got cleaner and factories h