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Continue to ChatA Negawatt is Always Cheaper than a Megawatt https://ecochildsplay.com/2008/12/27/a-negawatt-is-always-cheaper-than-a-megawatt/
A Negawatt is Always Cheaper than a Megawatt https://ecochildsplay.com/2008/12/27/a-negawatt-is-always-cheaper-than-a-megawatt/