Which innovative product development approach did Tesla use that revolutionized electric vehicle manufacturing and helped it scale production of the Model 3?

The transportation industry has witnessed remarkable product innovations that have revolutionized how we move people and goods. From autonomous technologies to sustainable solutions, these breakthroughs have shaped the future of mobility. Test your knowledge about a significant product development milestone that changed the transportation landscape forever!

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The 'Gigafactory' concept for battery production and vertical integration
Outsourcing all manufacturing to reduce overhead costs
Using hydrogen fuel cells instead of lithium-ion batteries
Implementing subscription-only business model for all vehicles