Tesla bygger verdens største litium-ionbatteri
Tesla skal i samarbeid med det franske energiselskapet Neoen utvikle verdens største litium-ionbatteri. Batteriet skal lagre fornybar energi i Australia.

FILE - In a Sept. 29, 2015, file photo, Elon Musk, CEO of Tesla Motors Inc., talks about the Model X car at the company's headquarters, in Fremont, Calif. Unable to string together profitable quarters, electric car and solar cell maker Tesla Inc. reported a loss for the last three months of 2016. (AP Photo/Marcio Jose Sanchez, File) Marcio Jose Sanchez