Elon Musk says Tesla can fix South Australia’s blackouts in 100 days, or battery system is free

March 13, 2017

Tesla Inc. Chief Executive Elon Musk is betting that his company can get a battery system in South Australia installed and working within 100 days — and if it can’t, he says, the company will do it free. Musk made the wager Thursday night in a brief back-and-forth on Twitter with Australian software billionaire Mike Cannon-Brookes.…