A giant hydrogen-powered engine has successfully supplied electricity to Spain's national grid in what its manufacturer says is a world first for large-scale power generation. Supporters say the technology could help balance renewable energy systems without carbon emissions.

Finnish technology group Wartsila Corp (HEL:WRT1V) said on Thursday it had successfully operated what it described as the world's first large-scale engine running on 100% hydrogen…

Wärtsilä has successfully demonstrated what it says is the world’s first large-scale engine running on 100% hydrogen, supplying power to Spain’s grid in Bermeo and advancing…