Germany’s H2FLY has run a series of successful flight tests on its HY4 demonstrator aircraft using liquid hydrogen, claimed to be the first time liquid H2 has powered piloted flights.
Most electric aviation projects include the integration of hydrogen somewhere down the line. Long-route commercial flights with zero emissions seem almos.
H2FLY, a Stuttgart-based company specializing in hydrogen-electric powertrain systems for aircraft, has achieved an aviation first: the world's inaugural piloted flight of an electric aircraft powered by liquid hydrogen.