DARPA and Northrop Grumman announced the first flight of their clandestine XRQ-73 hybrid-electric drone in April, designed for improved fuel efficiency, reduced emissions, and stealth. The XRQ-73 is ...

A London-based company has created a new type of vertical take-off and landing (VTOL) drone. Called HYDRA-400, the drone has successfully completed its first flight. Developed by Hybrid Drones Limited ...

Hybrid engines are in the news as consumers seek relief from gas prices boosted by the war on Iran, but military customers ...

The US military's defense tech agency said on Wednesday that it flew an experimental hybrid-electric drone called the XRQ-73, testing a next-gen propulsion system for longer, quieter flight. The drone ...

Hybrid drone debut: DARPA’s XRQ-73, built by Northrop Grumman, flew for the first time in April, featuring hybrid-electric propulsion to enhance range, efficiency, and stealth. FCC update extension: ...