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  • New BPA battery stores excess energyadd to reading list  

    Posted on February 27, 2013 at 6:38 PM

    Updated Wednesday, Feb 27 at 7:58 PM

    We use batteries to charge our phones, computers and cars, so why not our electrical grid? Engineers at the Bonneville Power Administration are testing the idea right now.

    By Keely Chalmers

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