Hydrogen conversion
SustainabilityUniversal Hydrogen Completes First Test Flight of Fuel Cell-Powered Airliner
Company’s Dash 8 twin turboprop flew with one fuel cell engine and one standard turbine powerplant.
Jonathan Welsh![](https://www.flyingmag.com/uploads/2023/03/universal2.webp?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
![](https://www.flyingmag.com/uploads/2022/09/Pilot-and-copilot_adobe-stock-rs.jpg?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
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