Tesla chief executive Elon Musk: “We’re talking about something that’s three times as powerful as the next biggest battery installation in the world.” Photograph: Ben MacMahon/EPA

Elon Musk’s Tesla has won a tender to supply what the billionaire says is the world’s largest lithium-ion battery to back up the state of South Austra(...)

Elon Musk, chief executive officer of Tesla Motors Inc. and Space Exploration Technologies Inc. known as SpaceX, is “going to try and do for satellites what we’ve done for rockets”. ( Photograph: Brendan Hoffman/Bloomberg)

The world according to Elon Musk is about to get more ambitious -- ranging from a Seattle engineering office to develop and launch satellites to the (...)