Tag: Supreme Court

US Supreme Court Invalidates MATS for Power Plants

On Monday, June 29, 2015,  the Supreme Court of the United States (SCOTUS) ruled 5-4 against the Environmental Protection Agency’s (EPA) implementation of Mercury and Air Toxics Standards (“MATS” /40 CFR Part 63 Subpart UUUUU ) rule that was promulgated in 2012 for electric utility steam generating utilities (EGUs). SCOTUS said the EPA incorrectly interpreted […]

Supreme Court's Decision could affect Cross-State Air Pollution Rule

On April 29, 2013, the Supreme Court revived an Environmental Protection Agency regulation that reinstates limits on power-plant pollution that blows across state lines.  The  decision was a defeat to electric utilities that opposed the effort as costly regulatory overreach. The 6-2 ruling breathes new life into a 2011 EPA measure known as the Cross-State […]

Supreme Court allows Mingo Logan decision to stand

This case has been on a roller coaster since 2007 when the Corps of Engineers issued a Section 404 permit allowing a large surface mine to operate in West Virginia (UP).  In 2009, well after the mine had begun development and significant capital had been invested, EPA announced that it would revoke parts of the […]