Hydrogen-Electric Propulsion Pioneer’s Failure Raises Questions

Universal Hydrogen Dash 8-300 flying

UH2’s modified Dash 8-300 in March 2023 became the largest hydrogen-electric-powered aircraft to fly.

Credit: Universal Hydrogen
Within the space of a week at the end of June, Universal Hydrogen decided to close its doors, having failed to secure additional funding, while rival hydrogen-electric powertrain developer ZeroAvia announced a purchase commitment from American Airlines for 100 engines. These events generate a...
Guy Norris

Guy is a Senior Editor for Aviation Week, covering technology and propulsion. He is based in Colorado Springs.

Graham Warwick

Graham leads Aviation Week's coverage of technology, focusing on engineering and technology across the aerospace industry, with a special focus on identifying technologies of strategic importance to aviation, aerospace and defense.

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