But is still under challenge from more than a.
Epa mats rule.
The epa developed an ria for the 2012 final mats rule pursuant to executive orders 12866 and 13563 and other applicable statutes e g the regulatory flexibility act and the unfunded mandates reform act as informed by omb guidance and the epa s economic guidelines.
Mercury and air toxics standards mats protecting our children and communities by limiting emissions of mercury and other air toxics from power plants.
The mats rule which then epa administrator lisa jackson signed in december 2011 required coal and oil fired power plants to reduce their emissions of mercury and a range of heavy metals and acid.
In epa s 40 year history the clean air act has not impacted power companies ability to keep the lights on in communities across the united states.