Wärtsilä has announced the results of extensive testing of its 4-stroke ammonia engine, which demonstrated a reduction in greenhouse gas (GHG) emissions by up to 90% compared to traditional diesel ...

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, ...

Ground testing of Pratt & Whitney's first PW1524G engine for the Bombardier CSeries family of aircraft continues on schedule validating performance expectations. The engine is the first of an ...

The Rotating Detonation Engine being developed by Pratt & Whitney has no moving parts, which reduces complexity and costs, and could help enable high-speed, long-range flight with increased efficiency ...

Hyundai says the engine will have 'improved power and response characteristics.' ...

GE Aerospace tested a high-bypass turbofan engine fitted with electric motor/generators to supplement power during different phases of operation. The design optimizes engine performance, so the ...

United Aircraft’s re-engined Yakovlev Superjet 100 has carried out flight at cruise altitude as part of the test programme for its Aviadvigatel PD-8 powerplant. The aircraft is serving as a PD-8 ...

Flames stream from New Frontier Aerospace’s Mjölnir rocket engine during a hot-fire test. (NFA Photo) Kent, Wash.-based New Frontier Aerospace says it has put its 3D-printed Mjölnir rocket engine ...

Blade-failure tests have been carried out on the Aviadvigatel PD-8 engine for Russia’s import-substituted Yakovlev SJ-100. United Engine says the PD-8 passed the test “successfully” on a rig at its ...

North Korea’s leader, Kim Jong Un, watched a ground test of a solid-fuel missile engine and saw new tanks put through their paces recently, the country’s official news agency reported Sunday. The ...