Designed in the southern French town of Tarbes and assembled in Salzgitter in central Germany, Alstom's
Germany on Wednesday will inaugurate a railway line powered entirely by hydrogen, a "world first" and a major step forward for green train transport despite nagging supply challenges.
A fleet of 14 trains provided by French industrial giant Alstom to the German state Lower Saxony will replace the diesel locomotives on the 100 kilometres (60 miles) of track connecting the cities of Cuxhaven, Bremerhaven, Bremervoerde and Buxtehude near Hamburg.