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- Fuel-efficient jet engines can be achieved through various technologies and design improvements12:
- Higher pressure and bypass ratios
- Geared turbofans
- Open rotors
- Hybrid electric or fully electric propulsion
- Airframe efficiency with retrofits, better materials, and advanced aerodynamics
- Modern subsonic jet aircraft typically use high-bypass turbofan engines for higher speed and greater fuel efficiency over long distances2.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.New technology can reduce engine fuel consumption, like higher pressure and bypass ratios, geared turbofans, open rotors, hybrid electric or fully electric propulsion; and airframe efficiency with retrofits, better materials and systems and advanced aerodynamics.en.wikipedia.org/wiki/Fuel_economy_in_aircraftEarly jet aircraft used turbojet engines that were relatively inefficient for subsonic flight. Most modern subsonic jet aircraft use more complex high-bypass turbofan engines. They give higher speed and greater fuel efficiency than piston and propeller aeroengines over long distances.en.wikipedia.org/wiki/Jet_engine - People also ask
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