

I think it has some value, but only in controlled settings - say, by replacing a diesel locomotive or for ships. Somewhere, where you basically go from point A to B or stay at point C and have secure refuling capabilities available.
Not for cars, though, this is not Knight Rider
Wasserstoff war das Feigenblatt für BMW seit den 90ern. “Schaut, wir forschen ja, dauert halt noch, deswegen bauen wir jetzt Benzin/Diesel”