The European Union's future hydrogen strategy should give priority to 'green' hydrogen, but will include a bridging role for 'blue' hydrogen, according to a European Commission document obtained by EUROPE on Friday 29 May. “Grey’ hydrogen will be excluded.
While the document stresses that these concepts should be clearly defined in the strategy, it is generally accepted that the first one refers to hydrogen produced by electrolysers powered by 100% renewable electricity. Blue hydrogen...