What groundbreaking material innovation did Boeing introduce with its 787 Dreamliner that significantly reduced weight and improved fuel efficiency?

Boeing's 787 Dreamliner represented a revolutionary step in commercial aviation when it was introduced. This innovative aircraft changed how manufacturers approach fuel efficiency, passenger comfort, and structural design in modern airplanes. Test your knowledge about this game-changing product that transformed the transportation industry and sparked a new era of competition among aircraft manufacturers.

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Carbon-fiber reinforced polymer composite for more than 50% of the primary structure
Titanium-aluminum alloy fuselage replacing traditional aluminum construction
Ceramic matrix composites for the entire wing structure
Graphene-infused aluminum for weight reduction without compromising strength