GEnx aircraft engines are GE’s latest turbofan engine family for select widebody aircraft. By utilizing advanced GE propulsion technology, including innovations like the TAPS combustor, high-pressure 10-stage compressor, lightweight composite fan case and fan blades, and a virtually maintenance-free fan module, GEnx engines are designed to reduce fuel consumption, associated CO2 and NOx emissions, noise, and operating cost compared to the engines that they replace.
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Environmental Benefits
GEnx aircraft engines are GE's most fuel efficient and technologically advanced engine family in production, enabling aircraft to improve fuel burn efficiency and reduce CO2 emissions compared to previous generation aircraft. For example, replacing today's global fleet of 314 GE CF6-80C2-powered Boeing 767-300ER aircraft with GEnx-1B-powered 787-8s operating typical flight routes could mitigate more than 2.2 million metric tons of CO2 emissions per year, equivalent to the annual CO2 emissions of approximately 448,000 cars on U.S. roads.
Operating Benefits
GEnx aircraft engines are GE's most fuel efficient and technologically advanced engine family in production, enabling aircraft to improve fuel burn efficiency by double digit percentages compared to previous generation aircraft. For example, on a typical 11 hour flight, the GEnx-2B enables the Boeing 747-8F to reduce fuel consumption per pound of payload carried by 10% versus the GE engine/aircraft combination that it replaces, the CF6-80C2 on the Boeing 747-400F. If an airline were to replace CF6-80C2-powered 747-400F aircraft with GEnx-2B-powered 747-8F on such routes, it could save nearly $6.2 million in annual fuel costs per aircraft, and $154.8 million over a 25-year service life, assuming a jet fuel price of $3.00 per gallon.
