On a battlefield saturated with buzzing quadcopters and roaring loitering munitions, a new aircraft is trying to disappear ...

Ukraine's new reconnaissance drone uses hydrogen fuel cells to fly 12 hours with a "negligible heat signature." ...

In May 2025, Delhi NCR-based Green Aero also successfully demonstrated its first hydrogen-powered jet engine named The Blue Dragon, but commercial deployment of such engines is still a long way away ...

Hydrogen vehicles were supposed to be a clean, practical way of powering the cars of the future. Theoretically, the idea seems great: Hydrogen fuel cell electric vehicles, or FCEVs, generate ...

In 2022, Yamaha reimagined what a high-performance engine can be, and sound like, in a emissions-conscious future. In partnership with Toyota, the company took a 5.0-liter V8 from the Lexus RC F and ...

Forbes contributors publish independent expert analyses and insights. I am a professor at Cal State LA and the technical director for the Hydrogen Research and Fueling Facility. We go for better ...