9 Feb 2023, 04:55 UTC · By: Otilia Drăgan / Heart Aerospace is an ambitious startup founded in Sweden, gearing up to introduce all-electric passenger flights for regional operations
9 Feb 2023, 04:01 UTC · By: Otilia Drăgan / A U.S.-based startup has developed a successful conversion kit and modular supply system that can help existing airliners to switch to hydrogen