What unique supply chain strategy did Tesla implement in 2020-2022 to combat semiconductor shortages that other major automakers couldn't replicate?

Tesla has revolutionized the transportation industry not just with electric vehicles, but also with innovative supply chain practices. The company's vertical integration strategy has been both praised and criticized as it navigates global supply challenges. How well do you understand Tesla's unique approach to managing its supply chain in the transportation sector? Test your knowledge with this challenging question about one of their most controversial supply chain decisions.

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Tesla rewrote vehicle firmware to support alternative semiconductor chips available in the market
Tesla purchased a semiconductor manufacturing facility in Taiwan to produce their own chips
Tesla switched all vehicles to use only optical sensors instead of semiconductor-based systems
Tesla implemented a just-in-time inventory system that predicted chip availability 18 months in advance