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 ...

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 fusion energy developer outlined a multi-phase testing plan, regulatory progress, and corporate milestones as it advances ...

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 ...

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 ...

NASA just wrapped engine performance tests on its X-59 research aircraft, which the space agency hopes will prove a means of mitigating supersonic aircraft’s odious sonic booms. NASA and Lockheed ...

A 220-ton-class BF (Blue Flame) methane–liquid oxygen rocket engine developed by Landspace fires during a long-duration ground test in 2026. Credit: Landspace HELSINKI — Chinese launch startup ...