President Donald Trump's April 8, 2025, proclamation extends the compliance deadline for the EPA's Mercury and Air Toxics Standards (MATS) by two years, from July 8, 2027 to July 8, 2029, asserting national security concerns...more
EPA recently issued a proposed rule (“the Proposed Rule”) regarding the Mercury and Air Toxics Standards (MATS), which regulate hazardous air pollutant (HAP) emissions from coal and gas-fired electric generating units (EGUs)...more
This is the second issue of WilmerHale’s 10-in-10 Hot Topics in Energy Series. Over the next 10 weeks, our attorneys will share insights on current and emerging issues affecting the US energy sector. Attorneys from across...more