Rolls-Royce completed tests in late 2022 of an AE2100 turboprop powered by liquid hydrogen rather than conventional jet fuel.
Credit: Rolls-Royce
Liquid hydrogen (LH2) may be the promised panacea for aviation’s long-term drive toward net-zero emissions, but getting there is going to be tough—particularly for the engine-makers. Backed by the European Union’s Clean Aviation public-private aeronautics research program, national efforts and its...
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