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Maybe not in service, but it's been done: https://www.reuters.com/business/aerospace-defense/rolls-royce-successfully-tests-hydrogen-powered-jet-engine-2022-11-

by twic 3y ago

Maybe not in service, but it's been done: https://www.reuters.com/business/aerospace-defense/rolls-royce-successfully-tests-hydrogen-powered-jet-engine-2022-11-28/ https://www.reuters.com/business/aerospace-defense/rolls-roy...