Friday, September 19, 2008

From an interesting source

Conservation effectively added more "new" energy to the total U.S. supply—between 1970 and 1980—than did oil, coal, nuclear power, hydropower, and natural gas combined . . . according to researchers at Oak Ridge, Tennessee's Institute for Energy Analysis. More...

On the surface impresses me as a dubious claim, or at least a dubious interpretation. Output, as measured in GDP, per energy input has increased. That is how such data should be interpreted. We produce more with the same energy input.

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