At a somewhat small and unassuming airport in Maribor, Slovenia, German hydrogen propulsion startup H2FLY has quietly been building up to a major milestone in zero-emission aviation over the summer. And all the hard work has come to fruitio
World’s first crewed liquid hydrogen plane takes off::undefined
Your experience is valid, and thank you for your apology. It is not always an easy thing to do, and I know that and appreciate it. :)