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The EPA recently announced a proposed regulation to strengthen limits on emissions of nitrogen oxides (NOx) from most new, modified, and reconstructed fossil fuel-fired stationary combustion turbines. The regulation, if finalized, will “ensure that new turbines built at power plants or industrial facilities—especially large ones that could operate for decades—would be among the most efficient […]
On October 16, 2024, the U.S. Supreme Court (SCOTUS) declined to put a hold on a Clean Air Act (CAA) regulation for New Source Performance Standards (NSPS) that went into effect on July 8, 2024. The regulation addresses greenhouse gas (GHG) emissions from fossil fuel-fired electric generating units (EGUs) by: “The justices denied emergency requests […]
Responding to concerns expressed by retailers of certain residential woodburning heaters, the EPA is proposing to provide these entities time to sell these devices beyond what was allowed in the Agency’s 2015 amendments to its New Source Performance Standards (NSPS) covering a range of heaters.
In a final rule revision, the EPA has provided petroleum and natural gas facilities (Part 98, Subpart W) subject to the Agency’s Greenhouse Gas Reporting Program (GHGRP) with a burden-reduction option for detecting GHG leaks from equipment. The amendment would allow Subpart W reporters to use monitoring methods for detecting leaks from oil and gas […]
Under a new federal rule effective September 6, 2016, owners and operators of stationary diesel engines—formally compression ignition internal combustion engines (CI ICEs)—may, in an emergency, temporarily override systems in those engines intended to force the use of emissions control devices.