Rolls-Royce, the global power systems company, has celebrated the first run of the Trent XWB, the latest member of its Trent® aero engine family. The Trent XWB, the fastest-selling Trent engine programme ever, with more than 1,000 ordered, ran for first time on June 17 on a testbed in Derby, UK. The engine’s first run meets programme commitments set out in 2006.