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Obama


Groups File Legal Challenges to ACE Rule

Legal challenges to the Trump administration’s Affordable Clean Energy (ACE) rule began in earnest April 17, as more than two dozen states and cities, along with several environmental activist groups,…


EPA Nixes Legal Justification for MATS Rule

The Environmental Protection Agency (EPA) on April 16 withdrew the legal justification for an Obama-era rule that required coal-fired power plants to reduce their emissions of mercury. The Mercury and…


Nine Utility Companies Suing Trump Over Emissions Rule

A coalition of nine utility companies is suing the Trump administration over its plan to replace the Obama-era Clean Power Plan. New York-based Consolidated Edison said the Affordable Clean Energy,…


22 States, Environmental Groups Mount Legal Challenges to EPA ACE Rule

A coalition of 22 states and seven local governments on Aug. 13 filed a lawsuit against the Environmental Protection Agency (EPA) over its Affordable Clean Energy (ACE) rule, which the…


EPA: Mercury Rules for Coal, Oil Power Units Not ‘Appropriate and Necessary’

Because compliance costs to coal- and oil-fired power plants for the Mercury and Air Toxics Standards (MATS) far exceed quantifiable benefits to regulating hazardous air pollutant (HAP) emissions, the Trump…