A lot of commenters seem to be Americans working from the idea trains are diesel. The majority of British trains are fully electric. This the argument is moot.

A lot of commenters seem to be Americans working from the idea trains are diesel. The majority of British trains are fully electric. This the argument is moot. Yes it’s much more efficient to move 1,000 people with one big engine than to break them into pairs and use 500 smaller engines.