Zepher Flight Labs (ZFL), based in Washington, has made progress in developing high-altitude, hydrogen-powered ...

Zepher Flight Labs (ZFL), a Heven company, announced that its hydrogen fuel cell-powered Z1 successfully demonstrated a vertical takeoff at maximum takeoff weight (MTOW), followed by a continuous ...

The achievement is part of the modular hydrogen fuel cell powerplant developer’s XTech8 Phase 1 Small Business Innovation ...

The Z1 drone can operate at high altitudes. Together with its compact dimensions, it is difficult to detect on radar.

DMI’s drone, powered by hydrogen fuel cells, is transforming the way the industry thinks about drone solutions. With a long endurance flight time of over two hours and eco-friendly system, ...

TÜV Rheinland-verified fuel cell sets new benchmark in size, weight and performance-advancing aerospace, marine and transport ...