Hydrogen-powered aircraft programs attract increased attention and public funding, but the task of building a green hydrogen ecosystem will prove daunting.
Swiss eVTOL developer Dufour Aerospace has completed the preliminary design review for its Aero 2 hybrid-electric cargo aircraft and recently flew its third-generation prototype for the first time.
Rolls-Royce says it will now prioritize work on a new hybrid-electric propulsion system for regional airliners, while still supplying the electric propulsion system for Vertical Aerospace's VX4 eVTOL vehicle.
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The Dutch start-up is working with De Havilland Aircraft of Canada to convert a Dash 8 Series 300 aircraft to use its Hydrogen Aircraft Powertrain and Storage System.
ICAO noted that sustainable aviation fuel produced in China, the Netherlands, and the U.S. are the first to be certified under the ISCC and RSB schemes.