US Total Primary Energy Intensity, 1980-2011 from: http://www.eia.gov/countries/country-data.cfm?fips=US#tpe …pic.twitter.com/J4pbvN0Lq7
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@iSamBrooks @pmarca Any idea of how it breaks down? How big is "biggest?"
@paulbaumgart @pmarca not sure if precise disaggregation is known, but this chart def provides helpful framepic.twitter.com/OZpg5oPfk1
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