An aircraft running on hydrogen that races through the upper atmosphere at speeds exceeding twelve times the speed of sound might seem like a fantasy reserved exclusively for science fiction. That, ...

The world's first hydrogen-fueled hypersonic jet may be able to reach a simply astounding speed of 12 times the speed of sound. That's about half the speed of satellites in low Earth orbit. The ...

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 ...

Aviation startup ZeroAvia says it’s been granted a “raft” of 45 new patents key to the development of practical large hydrogen aviation engines – and the company says it has 200 more H-related patents ...

Some disagree, but there are signs that indicate a heightened interest among aviation's major players in hydrogen propulsion as a real, available solution for green commercial flying. As big names ...

PARIS, Aug 20 (Reuters) - A French technology startup unveiled plans on Wednesday to work with clean-aircraft venture JetZero to explore a potential hydrogen-powered variant of its futuristic all-wing ...