United Kingdom, June 9 -- Rolls-Royce is celebrating a major milestone for its Trent XWB-84 Enhanced Performance (EP) engine, which has delivered almost double the baseline of anticipated fuel savings during its first year in service.Enabled by the ongoing transformation of Rolls-Royce, the first Trent XWB-84 EP entered service in May 2025 as part of a £1 billion investment in its modern Trent fleet. Certified with a two-decibel noise reduction and an initial one percent fuel burn saving compared to the standard Trent XWB-84, data from the first 34 engines in service across three major operators shows the engine is delivering a 1.8% reduction in fuel consumption.This improvement translates to around $450,000 in annual fuel savings per ...