In Germany 100% of the ICE and IC trains are run on renewable energy.
https://www.bahn.de/service/ueber-uns/umwelt
You can even buy green energy from the Deutsche Bahn
https://www.bahn.de/service/ueber-uns/umwelt
You can even buy green energy from the Deutsche Bahn
https://www.uniper.energy/de/datteln-4
> Bahnstromleistung 413MW 16.7Hz