The U.S. Environmental Protection Agency has moved to repeal its rule limiting greenhouse gas emissions from coal- and gas-fired power plants, along with regulations covering methane emissions, according to a report from KALW.

The repeal targets two of the most significant climate regulations the agency finalized under the previous administration. The power plant rule, as adopted, would have required coal-fired plants and new baseload gas plants to curb their greenhouse gas output — in practice pushing operators toward carbon capture and other control technologies or toward retirement schedules. The methane rule covered emissions from the oil and gas sector, where leaking equipment, flaring and venting release a greenhouse gas far more potent than carbon dioxide over short time horizons.

For power generators, the repeal removes a compliance architecture that had been shaping capital planning across the coal and gas fleet. Utilities and independent producers had been weighing retrofit costs against the rule's enforcement timelines. Its withdrawal shifts those calculations back toward continued operation of existing thermal units without the emissions control investments the rule would have mandated.

The methane repeal carries direct implications for gas producers and midstream operators. Methane regulations had driven leak detection and repair programs, monitoring equipment purchases and reporting obligations across well sites, compressor stations and processing facilities. Rolling back those requirements relieves operators of those compliance costs but removes a framework that gas buyers in Europe and elsewhere have increasingly referenced in procurement standards.

The EPA's action follows a broader deregulatory push. Agency leadership has argued the rules exceeded statutory authority and imposed costs that threatened grid reliability and domestic energy production. Opponents of the repeal, including state attorneys general and environmental groups, are expected to challenge the move in federal court, setting up litigation over whether the agency adequately justified reversing rules it had previously defended as required under the Clean Air Act.

The legal question now central: an agency repealing its own rule must provide a reasoned explanation under administrative law. Courts will examine whether the EPA's justification satisfies that standard or represents an arbitrary reversal.

For the waste and recycling sectors, the policy shift matters indirectly. Coal combustion residuals — the ash stream regulated separately from air rules — remain tied to the fate of the coal fleet. Plants that run longer under a repealed carbon rule continue generating ash requiring disposal or beneficial use. Gas production levels, meanwhile, feed plastic feedstock markets that shape resin and recycled-material pricing.

What happens next depends on the courts. Challenges to the repeals will determine whether the power plant and methane rules stay on the books in some form or whether the deregulation stands through the current administration. The litigation timeline, and any congressional review act interventions, now set the calendar.