Sorry, my bad: I mean road transport. Electric trains work really well, and there should be more of them. (I live in Zurich now. Every time I go back to Britai

Sorry, my bad: I mean road transport. Electric trains work really well, and there should be more of them. (I live in Zurich now. Every time I go back to Britain I look at a diesel train and think 'how quaint.') But there's an awful lot of bulk transport that still goes by road.