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An updated analysis finds that passenger hydrogen aviation does not face a single obstacle, but rather three systems that must mature together: an operable aircraft, an airport fuel network, and sufficient fleet production. Even accounting for current regulatory and engineering progress, the likelihood that this commercial system will be complete before 2050 remains below 1%.
Poseidon Aerospace has raised $60 million in Series A funding to finance the first test of its Egret uncrewed cargo aircraft, expected before the end of 2026. The company is betting on fixed-wing aircraft with combustion engines and autonomous or remote operation to reduce the cost of regional air transport.