Who has announced that they have successfully tested a hydrogen-powered aircraft engine, which is being touted as the world's first engine for aviation?
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Q:
Who has announced that they have successfully tested a hydrogen-powered aircraft engine, which is being touted as the world's first engine for aviation?
- 1Rolls-Roycefalse
- 2Tatafalse
- 3EasyJet and Rolls-Roycetrue
- 4Asherfalse
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