There's a few companies and labs in Germany who still manage to somehow sell hydrogen as a "local innovation" to government grants every now and then... Hydrogen busses, hydrogen trams, hydrogen trains. It never sticks, unsurprisingly.

Yah well... „Grüner Wasserstoff“ aus Hamburg: Senat weicht der Frage nach den Kosten aus

https://www.mopo.de/hamburg/hamburg-bei-gruenem-wasserstoff-...

shrug Who am I to judge? ;->