As reported earlier by just-auto, Tesla has now confirmed plans to assemble an all-electric luxury sedan - the Model S - in California.

The company's plans to build a $250m facility to manufacture the car in the heart of Silicon Valley are accompanied by a relocation of its corporate headquarters and research and development efforts to a consolidated campus in San Jose, California.

But there are no plans to relocate assembly of the firm's first car - the Roadster - from the UK to the US.

On sale now in the United States and Europe, the Roadster is assembled at a Group Lotus factory in Hethel, UK. Tesla says there are no plans to move Roadster production.

Tesla, which has delivered about 30 Roadsters so far, announced last week it was 'ramping up production amid scorching demand'. About 1,200 people have put down deposits to reserve a Roadster.

"Tesla has amazing momentum right now. The excitement within the company is palpable," said Tesla Product Architect and Chairman Elon Musk. "The company has clearly taken production of all-electric vehicles to the next level, and the Model S assembly plant will dramatically accelerate our growth."

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