Rolls-Royce is developing a hybrid jet engine designed to reduce flight emissions by roughly 30%, a target that places the ...

Rolls-Royce has shown off a full-scale mock-up of its proposed UltraFan 30 engine aimed at next-generation narrowbody aircraft, featuring characteristics including a short inlet and ripple-edged ...

CFM is quietly developing an alternative in case open-fan engines don't hit the mark.

PARIS, Feb 12 (Reuters) - French-US jet engine maker CFM is studying a more conventional "advanced ducted" engine design alongside its preferred option for a radical open-fan concept for future jets, ...