Tesla's gigafactory

ELON MUSK, the chief executive of Tesla Motors, has started a bidding war among four states in America’s south-west for the future home of a “gigafactory”. Due to start production in 2020, the giant factory will be the world’s largest battery-making facility, producing, at its peak, 500,000 lithium-ion packs, more than the entire world’s capacity today. That should be more than enough for Tesla’s car production; the excess will probably supply not only some of its carmaking competitors but also such power sources as backups for neighbourhood grids and cellphone towers.


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