Ideas. Action. Results.

Supreme Court Validates EPA’s Interpretation of Clean Air Act Authority

Jennifer Macedonia / Blog May 6, 2014

In an April 29 decision, the Supreme Court of the United States ruled in favor of the U.S. Environmental Protection Agency (EPA) and overturned the lower court’s decision on the power sector air quality rule known as the Cross State Air Pollution Rule (CSAPR) — which implements the “good neighbor provisions” of the Clean Air Act and deals with pollution that blows across state lines and causes downwind states to exceed air quality standards.

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Court Upholds Power Sector Environmental Regulation

Jennifer Macedonia / Blog April 18, 2014

In an April ruling, the DC Circuit Court of Appeals dismissed all challenges to U.S. Environmental Protection Agency’s Mercury and Air Toxics Standards (MATS) for Power Plants. This regulation is set to require pollution controls or fuel switching for some of the existing fleet of coal-fired and oil-fired generators by 2015 or 2016 to control a selection of hazardous air pollutants that currently flow out of their exhaust stacks. In addition, a number of announced coal plant retirements cite MATS as a factor.

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