> even with the dirtiest diesel engines, is going to get you serious wins This is true: more public transport should be the n.1 priority, even if it's diesel.

> even with the dirtiest diesel engines, is going to get you serious wins This is true: more public transport should be the n.1 priority, even if it's diesel. However you are creating a false dichotomy: electric VS diesel. We can have more public transport and electric transport at the same time. Less cars, thanks.