Rolls-Royce is testing a second performance-enhancement package (EP2) for the Trent 900 turbofan powering the Airbus A380, as it continues its strategy of rolling technology from its new engines back into the fleet. The EP2 upgrade, which entered testing about a month ago and is scheduled to enter service with Singapore Airlines in mid-2014, is expected to reduce fuel burn by up to 0.8%. Trent 900s have been delivered with the EP Block 1 improvements since 2012, and together with EP2 ...


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