The new hydrogen engine, while still in development, has thermal efficiencies above 60 percent. In comparison, diesel engines ...

X-59’s engine started for testing for the first time. NASA’s Quesst (“Quiet SuperSonic Technology”) mission recently achieved a key milestone as it began testing the engine that will power the X-59, ...

Rolls-Royce and the U.S. Air Force validated the F130’s ability to meet performance requirements for the B-52 missions, getting closer to flight testing. Engine maker Rolls-Royce announced on Feb. 24, ...

Rolls-Royce and easyJet have completed ground testing of a modified Pearl 15 engine running on 100% hydrogen at full takeoff ...

Pratt & Whitney, a subsidiary of RTX, has completed a fully digital assembly-readiness review ...

A prototype ion engine that uses lithium vapor as a propellant has aced its first tests, achieving 25 times more power than ...

A lead Army official said testing to date of the GE Aerospace-built T901 engine on a Black Hawk helicopter has been “very successful,” while the engine program’s future is still to be determined. Brig ...

Historic engine test: SpaceX fired all 33 Raptor engines on the Super Heavy V3 booster at full thrust and duration for the first time, a major program milestone. Launch window set: Federal airspace ...

A controversial method for increasing engine performance is put under the spotlight as an unusual fluid is tested for its ...

Redstone Arsenal, Alabama: The United States Army's Improved Turbine Engine Program (ITEP) team reached a major milestone in their mission to amplify the performance and capabilities of the Army’s ...

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 ...