H2FLY, the German affiliate of air taxi developer Joby, has passed a major technological and aviation milestone in clear power transportation, with the successful test flights of what it hailed as the world’s first piloted electric aircraft fueled by liquid hydrogen.

Stuttgart-based H2FLY said it completed a total of four flights of its demonstration HY4 airplane above Maribor, Slovenia, each using liquid hydrogen as fuel. The startup, which Joby bought in 2021, said one of the sorties lasted over three hours, marking both a significant duration and novel form of hydrogen use as the power source of an electric aircraft. 

Previously, developers of the tech as a clean, sustainable future alternative to fossil fuels had relied on reduced-scale hydrogen cells for smaller craft like drones, and larger systems converting hydrogen gas stored in voluminous onboard tanks to electricity to power bigger aircraft.

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Source: dronedj.com