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EPA proposes rule for nationwide 30% cut in GHG from existing power plants by 2030 relative to 2005

Green Car Congress

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). The EPA projects that the annual incremental compliance cost of the proposed Option 1 ranges from $5.4 The estimated cost of Option 2 is between $4.2 state compliance) to $7.4

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Modelling the Impact of PHEVs on Ozone in Denver

Green Car Congress

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.

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Study concludes that NG leakage higher than reflected in inventories; transportation fuel climate benefits questioned

Green Car Congress

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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