Imagine a future in which old electric-car batteries are deployed in neighborhoods as energy-storage systems that guard against power outages, while paving the way for wind and solar power—and more electric cars. The idea has moved one step closer with the demonstration of a boxy unit of used Chevy Volt batteries capable of providing enough electricity to power three to five average American homes for up to two hours.
National Geographic
11.16.2012
Still a long way from running Cleveland on batteries
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