EIA: US energy-related CO2 emissions declined 3.8% in 2012; transportation contributes 22% of decline in consumption
22 October 2013
US energy-related CO2 emissions dropped to their lowest level since 1994 and more than 12% below the recent 2007 peak, according to figures released by the US Energy Information Administration (EIA).
After 1990, only the recession year of 2009 saw a larger percentage emissions decrease than 2012. Energy-related carbon dioxide emissions have declined in 5 out of the last 7 years.
A large drop in energy intensity (energy measured in Btu per dollar of gross domestic product [GDP]) assisted the 2012 decline in energy-related carbon dioxide emissions despite economic growth, EIA observed.
Although GDP increased by 2.8% in 2012, energy consumption fell by 2.4% (2.4 quadrillion Btu) in that same year, resulting in a 5.1% decline in energy use per dollar of GDP.
After the residential sector, the next biggest decline in energy consumption was in the transportation sector (513 trillion Btu) or 22% of the total energy decline.
Vehicle miles traveled in 2012 were flat compared to 2011 (8,072 million miles per day in both years), while more energy-efficient vehicles are continuing to enter the market.
Transportation sector emissions in 2012 remained well below the comparable level for 2007 in each month over the year, and only February, with an extra day, was above any of the five previous years.
|Source: EIA. Click to enlarge.|
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