The Federal Aviation Administration’s (FAA) approval of the GE9X follows thousands of hours of testing, and clears the engine for life aboard the world’s largest twin-engine aircraft, the Boeing 777X. Before that maiden flight even took place, GE Aviation said it had hundreds of orders on the books from a range of customers in the aviation space, but its primary focus has been the forthcoming family of wide-body planes from Boeing. Developed to power these next-generation 777X passenger jets The GE9X engine itself is as wide as a Boeing 737 fuselage, and is 10 percent more efficient than the GE90...