Energy practices, policies help emissions to tumble 7%

05/10/2010 | USA Today

One side effect of last year's economic recession was a 7% drop in U.S. carbon dioxide emissions. A former federal energy official said the decline was caused by a number of factors, including low natural gas prices displacing some use of coal, improved energy-efficiency practices, state renewable-energy rules and clean-energy measures included in the economic stimulus.

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