What happens if you put jet fuel in a diesel engine? It might run, but the results aren't as good as you'd hope, and the ...

A hybrid-electric jet engine may seem as absurd as a horse-drawn Zeppelin, but GE Aerospace is ground testing a new megawatt-class hybrid turbofan engine and its full powertrain that is powerful ...

In flight tests, a lean-burn engine cut soot about a thousandfold, but tinier exhaust particles that can seed contrails ...

When you decide to build a homemade, liquid-propane-powered pulse jet engine in your garage, a few noise complaints are to be ...