Which transportation product design innovation was specifically created to solve the 'range anxiety' problem and has since become a standard feature in its industry?

The transportation industry has seen remarkable product design innovations that transformed mobility. From aerodynamic breakthroughs to revolutionary cockpit interfaces, design choices have shaped efficiency, safety, and user experience. This trivia tests your knowledge of iconic transportation product designs that created new industry standards. Can you identify the groundbreaking design feature that revolutionized its segment?

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Tesla's Supercharger network with strategically placed stations and proprietary charging technology
Boeing 787 Dreamliner's composite materials that reduced weight by 20% compared to aluminum designs
Volvo XC90's integrated booster seat that transforms from regular seating to child safety feature
Hyperloop's vacuum tube propulsion system designed to eliminate air resistance