Clean tech company H2GO Power has completed what it claims as the the world’s first successful test flight of a 3D-printed hydrogen-powered UAV. The flight took place in Boston in late August as part of a partnership with Ballard Unmanned Systems Inc – the UAV arm of Ballard Power Systems. ...

HES Energy Systems, the aerospace company founded in Singapore in 2009, is working to change the electric aerospace industry by optimizing smaller aircraft and drones powered by hydrogen and scaling up. They have worked with other aerospace companies, universities, and government agencies ...