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, ...

Researchers have described combustion-control approaches that could help engines operate more stably on hydrogen blends as high as 30 percent, without requiring a complete redesign of the overall ...

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 ...