this post was submitted on 17 Sep 2023
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Electrifying tracks costs money and upkeep and if it's a branch line that sees quite little traffic it's nowhere close to worth it. And this isn't a "Poland poor" situation -- first off, they aren't, not any more, secondly, the first regular hydrogen-powered train service was started in Germany, East Frisia to be precise: Lots of unelectrified track with maybe a train an hour at peak, replacing Diesel, all hydrogen necessary comes from a nearby chloralkali plant.
In the future, Germany will import tons of hydrogen in the form of ammonia (easier to transport) from Canada and Namibia. It's realistic to build enough renewables over here for electricity and heating use, but not when it comes to chemical feedstock, steel smelting, etc.