I've heard that Musk is on the board of a battery technology company. Does anybody know what that company may be? I think it would be interesting to discuss the technology those companies are developing.
No mention of any company - apart from the sun, space, electric car trifecta - other than the biotech company Halcyon Molecular: Elon Musk | CrunchBase Profile Elon Musk: Executive Profile & Biography - Businessweek