Electric car startup Tesla Motors has a new partner: German giant Daimler (DAI). On May 19, at the fashionable Hay-Adams Hotel in Washington, Daimler announced it has taken a 10% stake, worth about $50 million, in the San Carlos (Calif.) auto pioneer.

The two companies had already been working together. Daimler was planning to build 1,000 all-electric versions of its small Smartcar using Tesla's battery technology. But Daimler wanted more than just a simple supplier-customer relationship, explains Dieter Zetsche, chairman of the board of management of Daimler and head of Mercedes-Benz Cars. "We are in a time of change," he says. "This industry is going through a kind of paradigm shift, and has to reinvent itself ultimately to be independent of petroleum and without CO2 emissions. We need fast technology change." (More...)