Of the two popular Rolls-Royce engines, there is a clear winner when it comes to seat miles per gallon (SMPG).

As the biggest commercial airplane in the world, the Airbus A380 has four engines to power it. It is powered by one of two engine types, the Rolls-Royce Trent 900 and the Engine Alliance GP7000. Each ...

It’s only used in the A380 by Lufthansa, Qantas and Singapore Airlines. (Other A380 operators use Engine Alliance GP7000 engines, the product of a joint venture between GE and Pratt & Whitney.) ...

MTU Aero Engines CEO Udo Stark said yesterday it was becoming increasingly likely that the Engine Alliance will offer an engine for the Airbus A350. The powerplant could be a modified version of ...