Elon Musk is venturing headfirst into the battery business. Here’s why it might be his boldest bet yet.
Elon Musk walks briskly onto the stage as hard rock blasts in the background. The guitar riff, which sounds like entrance music suitable for a professional wrestler or a minor-league cleanup hitter, fades out, and Musk surveys the crowd, nodding his head a few times and then sticking his hands in his pockets. “What I’m going to talk about tonight,” he says, “is a fundamental transformation of how the world works.”
