Photo 1 Aug 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 (via U.S. energy-related CO2 emissions in early 2012 lowest since 1992 - U.S. Energy Information Administration (EIA))

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

(via U.S. energy-related CO2 emissions in early 2012 lowest since 1992 - U.S. Energy Information Administration (EIA))

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