This really did have pernicious and deep-reaching consequences. For instance, a bunch of UK cities are so badly in breach of their pollution goals that they're

This really did have pernicious and deep-reaching consequences. For instance, a bunch of UK cities are so badly in breach of their pollution goals that they're being taken to the ECJ over it: https://www.theguardian.com/environment/2018/may/17/uk-taken-to-europes-highest-court-over-air-pollution https://www.theguardian.com/environment/2018/may/17/uk-taken... Guess where all that pollution's coming from? Diesel vehicles, of course, including the ones which have been cheating on their emissions.