In 2007, software millionaire turned environmental entrepreneur, Shai Agassi, decided electric cars shouldn’t be deemed impractical and unaffordable for the average driver. Bombarded with grim consumer reports and less-than-ideal commercial success, Agassi had an epiphany—he’d make electric car batteries switchable. Take a moment to read Joshua Hammer’s interesting exploration of Agassi’s breakthrough and progress, and why electric cars might soon sneak ahead of gas-powered cars in sales.

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Photo credit: Ahikam Seri