Rolls-Royce is a major manufacturer of aero engines for the large commercial aircraft, regional jet and business aviation markets. The business uses its engineering expertise, in-depth knowledge and capabilities to provide through-life support solutions for its customers. In Civil Aerospace, it has a large installed product base of more than 5,700 large engines and around 9,700 business aviation and regional engines. It also has a large order book with more than 1,500 new large engines due to be delivered over the next few years, representing 52% market share and supporting its fleet growth expectations in the medium term. Rolls-Royce engines power the latest modern widebody aircraft such as the Airbus A330neo, Airbus A350 and Boeing 787 as well as the world's fastest and largest business jets. Rolls-Royce continues to champion sustainable power through the optimisation of the gas turbine, the adoption of SAFs (sustainable aviation fuels), and by being at the forefront of developing innovative propulsion technologies such as electrification and hydrogen-powered applications.