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The Jet Engine Efficiency Race: Pratt vs. GE

The quest for fuel efficiency leads to unconventional designs

Site 3B, 1 of 10 test sites at the GE Aviation Peebles Test Operation in Ohio. The tower houses fuel and other service lines required to operate an engine
Courtesy GE Aviation

(Updates second paragraph to clarify the origins of the materials used in the Leap engine’s fan blades.)