From a wave of stock listings by electric vehicle and laser sensor startups to bold plans for high-speed trains, robotic trucks and robotaxis, 2020 was an exciting year in the ongoing evolution of transportation. Here are five of the year’s best stories.

Henrik Fisker, Fisker Inc.’s CEO, and Geeta Gupta-Fisker, the company’s CFO and Henrik’s wife, cofounded their Los Angeles-based electric vehicle company to deliver affordable, stylish models—and have become billionaires almost two years before deliveries start. They’ve got funding, a production partner and a compelling $37,500 battery-powered SUV.

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A 25-year-old wunderkind who started his company after dropping out of Stanford as a teenager is officially a billionaire, with his company that makes sensors…