EPA: US greenhouse gases dropped 3.4% in 2012 from 2011; down 10% from 2005 levels
Green Car Congress
APRIL 16, 2014
The major contributors to the decrease in emissions from 2011-2012 were the decrease in energy consumption across all sectors in the US economy, and the decrease in carbon intensity for electricity generation due to fuel switching from coal to natural gas. in 2004, and since then have declined about 10%. ships and boats (2.2%).
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