Manufacturer ZeroAvia has claimed a “giant step forward” for “zero-emission flight” with a six-minute test run of what it said is the largest aircraft to be powered by a hydrogen-electric engine The flight, using a 19-seat Dornier 228 testbed plane, took place at ZeroAvia’s research and development facility at Cotswold Airport. The “landmark flight”, ZeroAvia said, was part of the UK government-backed HyFlyer II project, and saw “all systems” perform “as expected”. Grant Shapps, the UK’s business minister, said the test flight was “a hugely exciting vision of the future” and brought with it the promise of “guilt-free flying”. The

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