Electric reconnaissance drone flies 10+ hours on hydrogen fuel cells.https://cleantechnica.com/2026/04/12/zero-emission-drone-news-from-ukraine-flying-fuel-cells-green-hydrogen/#hydrogen #fuelcells #drones #combatdrones #ukraine #uavs #ukraine #greenhydrogen #renewableenergy #war #ukrainewar #russiawar #warfare #aviation #aircraft #innovation #cleanenergy #greenenergy #energy #electric #electrification
