Coal Denver Production Resource 
Green Car Congress
FEBRUARY 20, 2015
We are beginning to get a sense of regional variation in methane emissions from natural gas production. The gas fields we studied for this paper produced about 20% of the natural gas in the United States, and more than half the shale gas, so this moves us closer to understanding methane leaks from US natural gas production.
Green Car Congress
JUNE 2, 2014
The value allocated here in EPA’s goal-setting formula was an average heat rate improvement of 6% for coal steam electric generating units (EGUs). EPA projects coal production for use by the power sector, a large component of total coal production, will decline by roughly 25 to 27% in 2020 from base case levels.
Green Car Congress
JULY 18, 2010
Researchers at the University of Colorado, Boulder and the National Renewable Energy Laboratory (NREL) modeled the emissions impact had plug-in hybrid electric vehicles (PHEVs) replaced light duty gasoline vehicles in the Denver, Colorado area in summer 2006. Ozone concentration increases were modeled for small areas near central Denver.
Green Car Congress
FEBRUARY 14, 2014
In contrast to the “green light” for coal-to-NG substitution for power generation, the authors suggest that climate benefits from vehicle fuel substitution are uncertain (gasoline, light-duty) or improbable (diesel, heavy-duty). Modeling has shown climate benefits from coal to NG switching for power generation over all time periods (i.e.,
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