Future Flight Spain Backs Hydrogen Propulsion Plans of Hypersonic Aircraft Developer Destinus https://www.futureflight.aero/news-article/2023-03-23/spain-backs-hydrogen-propulsion-plans-hypersonic-aircraft-developer Hype AI Summary Spain has approved plans of Destinus, a hypersonic aircraft developer, to use hydrogen propulsion. Destinus is constructing a facility in Madrid to design air-breathing hydrogen engines and advance liquid hydrogen technology.