When one thinks of a vertical take-off and landing (VTOL) aircraft, the first thing that comes to mind is a helicopter-like contraption that can lift off from pretty much everywhere. But the various ...

Researchers at the University of Wisconsin-Madison have developed a Reactivity Controlled Compression Ignition (RCCI) engine capable of running on both diesel and gasoline simultaneously. By ...

ARLINGTON, Va.--(BUSINESS WIRE)--AeroVironment (AV) successfully demonstrated its JUMP ® 20 uncrewed aircraft system (UAS) with a heavy fuel engine. The higher horsepower and lower fuel burn rate ...

In September 2025, Kawasaki Heavy Industries launched what it says is the world's first commercially available large gas engine to run on blended hydrogen fuel. After nearly a year of operational ...

There's an old saying in engine tuning that when adjusting the mixture of your engine you can be too rich a bunch of times, but only too lean once. With that in mind, determining the air-fuel ratio ...