Clean Air – Environmental and Energy Law Program

Latest

Regulatory Tracker

Municipal Solid Waste Landfill Air Pollution Emission Standards for Methane and Other Pollutants

EPA opened a non-regulatory public docket to gather information related to the new rulemaking. The docket is open for 90 days through January 23, 2025.

October 25, 2024

Regulatory Tracker

Clean Car Rules — Corporate Average Fuel Economy Standards/Greenhouse Gas Standards

EPA issued final multipollutant tailpipe standards for light- and medium-duty vehicles for Model Year 2027 through 2032 and released a final rule setting greenhouse gas standards for heavy-duty commercial trucks and buses.

October 23, 2024

Regulatory Tracker

Regional Haze Rule

EPA has begun proposing and finalizing approvals and disapprovals of SIP revisions in accordance with the Consent Decree.

October 23, 2024

Regulatory Tracker

Regulating Greenhouse Gases for New and Existing Fossil Fuel-Fired Power Plants

States have until May 2026 to develop state plans for existing coal-fired power plants. Litigation commenced immediately upon EPA’s finalization of the standards in the D.C. Circuit.

October 18, 2024

Regulatory Tracker

EPA VOC and Methane Standards for Oil and Gas Facilities

EPA announced a proposed regulation to implement the Inflation Reduction Act’s Waste Emission Charge, and the final rule is currently in the interagency review process with the Office of Management and Budget.

October 7, 2024

Regulatory Tracker

Mercury and Air Toxics Standards

EPA published its final rule regulating HAPs from Coal- and Oil-Fired EGUs based on the Residual Risk and Technology Review.

October 4, 2024

Regulatory Tracker

Once In Always In Guidance for Major Sources under the Clean Air Act

EPA published the final rule in the Federal Register.

September 10, 2024

Explainer

NAAQS Overview

The National Ambient Air Quality Standards program is the cornerstone of EPA’s work to protect public health and the environment.

August 29, 2024

Legal Analysis

The Supreme Court Pauses the Good Neighbor Plan

The decision continues an alarming trend of the Court issuing decisions under its emergency docket about important public health rules without the benefit of full briefing and engagement with the technical record.

July 2, 2024