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thegamerfox t1_iy88r9u wrote

Reply to comment by [deleted] in Rolls-Royce successfully tests hydrogen-powered jet engine | Britain's Rolls-Royce said it has successfully run an aircraft engine on hydrogen, a world aviation first that marks a major step towards proving the gas could be key to decarbonising air travel. by yourSAS

Apparently they are using fully green hydrogen for these tests

https://thehill.com/policy/equilibrium-sustainability/3752966-rolls-royce-rolls-out-hydrogen-jet-engine/

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Spartanfred104 t1_iy89g9o wrote

Where do you think they get all that electricity for the electrolysis?

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thegamerfox t1_iy89myq wrote

The test was carried out at the British military aircraft testing site at Boscombe Down, using green hydrogen fuel generated by harnessing the power of wind and waves at the European Marine Energy Center in the remote Orkney Islands, between Scotland and Norway.

Literally from the article I linked

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