Trains are easy and they're easily electrified already. So putting solar on the trains won't have any advantage.
Rails are the difficult part of railways. They never seem to put them between my house and my work. They've put something called a road in between instead.
It was dead the moment we didn't elect a low towing fop.
Russia funded and led the conservative movement here in the past 10 years. We got Brexit, we got incompetent government, they got a place to park their wealth (a lot of it is still here), they got crimes without much fuss.
Europe was weakened.
As the funding for Trump's loans and Musk's Twitter buyout as well the moment we woke up and voted for a different party we became a target state instead of a puppet state.
Even Boris Johnson realised we had to help Ukraine. They replaced him with Truss and Sunak, more controllable puppets.
There are of course other factors, but the effect of global oligarchs spending fossil fuel wealth is clear in Western Democracy at the moment. Saudi is another big influence, they court both sides as long as they aren't crossed.
Every crisis delays climate action, every election they can influence delays action. The longer they delay the more profit they get.