The world’s heavy reliance on fossil fuels, especially for transportation, has left a deep mark on both the planet and public health. Burning these fuels releases a flood of greenhouse gases, which ...

Rolls-Royce is developing a hybrid jet engine designed to reduce flight emissions by roughly 30%, a target that places the ...

Five years ago, in 2021, American space agency NASA announced it is working on yet another project that doesn’t involve, well, space: the Hybrid Thermally Efficient Core (HyTEC). Since then, NASA’s ...

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 ...

That's because a ramjet operates on a different principle from a conventional jet engine. The kind of engines that power an airliner uses a series of fans and turbine impellers to draw in air 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 ...

Snow is a common feature of many airports around the world, but when is too much snow a problem for aircraft engines?