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Extras

    Video thumbnail: NOVA Power Surge: Preview

    NOVA

    Power Surge: Preview

    Are we finally on the brink of a clean energy revolution? Airs April 20, 2011 on PBS

    Power Surge: Preview

    Video thumbnail: NOVA Cars That Power the Grid

    NOVA

    Cars That Power the Grid

    Electric cars may play a critical role in a future "smart grid."

    Cars That Power the Grid

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