Which transportation product design innovation was first implemented by Boeing in the 787 Dreamliner, reducing weight by 20% while increasing strength compared to traditional materials?

In the transportation industry, product design innovations have revolutionized how people and goods move around the world. From aerodynamic improvements to sustainable materials, these design breakthroughs have transformed efficiency, safety, and environmental impact. Test your knowledge about a significant product design innovation that changed modern transportation!

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Carbon fiber composite fuselage and wings
Aluminum-lithium alloy frame
Titanium mesh reinforced structure
Self-healing polymer coating