Elon Musk, chief executive officer of Space Exploration Technologies Corp. (SpaceX) and Tesla Motors Inc., speaks at an event in Washington, D.C., U.S. (Photographer: Andrew Harrer/Bloomberg)

Musk's Battery Boast Will Be Short-Lived as Rivals Go Bigger

(Bloomberg) -- Billionaire Elon Musk defied his doubters to beat Friday’s 100-day deadline and install the world’s biggest battery in the Australian outback. He’ll probably relinquish that crown by...