Featured Expert Column – Environmental Law and Policy
In recent years, either when Congress has chosen not to act on certain matters—or arguably does so without sufficient clarity—the Executive Branch has asserted the power to address issues through regulation. These agency actions, of course, run headlong into one of the core separation of powers under the Constitution—that Congress is empowered to enact laws while the Executive is tasked with implementing them.
Hence, not surprisingly, the judiciary has increasingly been asked to answer whether an agency had the statutory authority to issue a particular regulation—or whether the agency exceeded the power it had been granted by the Congress.
A recent decision of the U.S. Court of Appeals for the D.C. Circuit adds to that jurisprudence. On August 8, 2017, a three-judge panel ruled in Mexichem Fluor, Inc. v. EPA that the U.S. Environmental Protection Agency (“EPA”) exceeded its authority under the Clean Air Act (“CAA” or Act) when it issued a 2015 rule eliminating the use of hydrofluorocarbons (HFCs) in certain products (the “2015 HFC Rule”). Continue reading “D.C. Circuit Once Again Reminds EPA Which Governmental Branch Enacts Laws”