There’s experimental storages where heat is pumped to underground pools or sand, but as far as I know there’s heat exchangers and radiators to outside, so majority of excess heat is just wasted to outside. But absolute majority of them are closed loop systems since you need something else than plain water anyways to prevent freezing in the winter.
Or you could build the centers in colder climate areas. Here in Finland it’s common (maybe even mandatory, I’m not sure) for new datacenters to pull the heat from their systems and use that for district heating. No wasted water and at least you get something useful out of LLMs. Obviously using them as a massive electric boiler is pretty inefficient but energy for heating is needed anyways so at least we can stay warm and get 90s action series fanfic on top of that.
No. Switching from 140 to 160 hp isn’t something you’d really even notice on everyday commuting. More is more of course, but unless your driving style is very aggressive that doesn’t really make any difference on the driving experience. What it might do is improve your range slightly, but that depends heavily on multiple different things and if your driving style and conditions on most common routes aren’t suitable it might even reduce the range you’ll get out of the thing.