1. There is still no good answer for air transport, trans-oceanic shipping, long-haul trucking, and long-distance rail. ICE will be used there for a good while longer.

I think air transport and oceanic shipping will probably still take time owing to energy density concerns, but there are electric trucks already (with trials of roadside charging rails that can actively charge during driving), and for a large part of the world, electrified trains are the norm. It's a uniquely US problem that rail isn't electrified, even other major OECD countries are above 50% if not more, while in places like India it is almost 100% electrified railway (one of the largest networks in the world).