Wednesday, February 06, 2013

Early 2012 U.S. carbon dioxide emissions from energy use lowest since 1992

U.S. carbon dioxide (CO2) emissions resulting from energy use during the first quarter of 2012 were the lowest in two decades for any January-March period. Normally, CO2 emissions during the year are highest in the first quarter because of strong demand for heat produced by fossil fuels. However, CO2 emissions during January-March 2012 were low due to a combination of three factors:

  • A mild winter that reduced household heating demand and therefore energy use
  • A decline in coal-fired electricity generation, due largely to historically low natural gas prices
  • Reduced gasoline demand
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