So because trucks cannot be electric at the moment (doubtful, btw, but let's accept this premise), we should not try to electrify other parts of the global flee

So because trucks cannot be electric at the moment (doubtful, btw, but let's accept this premise), we should not try to electrify other parts of the global fleet? Every little bit helps, plus the research that goes into that will create these lighter and more energy dense batteries you speak of.