LONDON—Rolls-Royce expects to commence a new round of tests soon to further boost the performance of its Boeing 787-powering Trent 1000 engine as it looks to regain market share on the widebody.
GE Aerospace is one of the United States' two ... with 640 declared in favor of its GEnx and only 96 for Rolls-Royce's Trent 1000 (the remaining 155 orders were not specified).