View full lesson: ed.ted.com/lessons/a-40-year-plan-for-energy-amory-lovins In this intimate talk filmed at TED's offices, energy innovator Amory Lovins shows how to get the US off oil and coal by 2050, $5 trillion cheaper, with no Act of Congress, led by business for profit. The key is integrating all four energy-using sectors—and four kinds of innovation. Talk by Amory Lovins.

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