Now, I'm not taking up an ideological position on this, and it may indeed prove to be the case that driverless cars end up reducing pollution by large amounts. But I feel that it is also plausible that we are going to end up being driven by a lot hype into a rather ungreen future or, more mundanely, into accepting a piece of 'modernisation' that makes little difference to pollution outcomes.Now of course electric vehicles are to me something that represents a great gain, especially as electricity...