Billions of people require mobility, and this will mean steady growth for air travel. Clean aircraft like the Claire Liner are needed to minimize the environmental impact of this trend. The only way aircraft can be operated efficiently is with a completely new type of engine: The concept for the future is the geared turbofan. MTU is developing and manufacturing the highspeed lowpressure turbine for this extremely fuelefficient Pratt & Whitney engine. It is the key component responsible for the engine’s low emissions. In addition, the company is developing an especially economical highpressure compressor together with its American partner.