Heart, Aerospace Heart Aerospace opens US R&D hub, enters new development phase for hybrid-electric airplane 07.08.2025 - 18:07:12 Heart Aerospace United Kingdom United States of America Canada Germany Spain France Sweden View original content:https://www.prnewswire.co.uk/news-releases/heart-aerospace-opens-us-rd-hub-enters-new-development-phase-for-hybrid-electric-airplane-302143520.html