China now produces nearly three-quarters of the world’s electric cars, and no city embodies that dominance more than Shenzhen, home to industry giant BYD. The city of 20 million people is a global hub of clean transportation and high-tech innovation. As The World’s Jeremy Siegel reports, Shenzhen’s transformation has roots in Apple’s decision produce the iPhone there 20 years ago.
This story originally aired on Dec. 4, 2025.
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