That was part of Tesla CEO Elon Musk's message last week, when he announced a new line of batteries for households and businesses, which will allow distributed electrical storage from renewable sources like solar power.
Sounds crazy, right? However, as Musk pointed out, the area needed to power the entire globe with photovoltaic panels would be less than 1% of the U.S.'s total land mass, and most of that could be deployed on rooftops.
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