News & Analysis as of

EPA Finalizes Emissions Standards for Vehicles and Fuel

This week, EPA finalized its Tier 3 emission standards designed to reduce air pollution from passenger cars and trucks. The rule establishes new vehicle emissions standards and reduces the sulfur content of gasoline by...more

US Supreme Court considers EPA greenhouse gas emissions regulations

May the U.S. Environmental Protection Agency regulate greenhouse gas emissions from power plants and industry under the Clean Air Act? The Supreme Court of the United States heard oral argument on this issue yesterday,...more

What’s in the Air this Year? Here Is What You Need to Know About the Clean Air Act in 2014

This year promises many important developments with respect to the U.S. Environmental Protection Agency’s implementation and enforcement of the federal Clean Air Act. Here are some major enforcement trends and regulatory...more

D.C. Circuit Grants Rehearing in Clean Air Act Case

On December 11, a D.C. Circuit panel (Tatel, Brown, Griffith) granted in part environmental and state petitions for rehearing in Mississippi v. EPA (Nos. 08-1200 et al.), revising key language describing the court’s review of...more

Northeastern States Seek to Force Upwind States to Join the Ozone Transport Region

Stating that they “face pervasive ozone nonattainment problems,” eight Northeastern states on December 9, 2013 petitioned the U.S. Environmental Protection Agency (“EPA”) to add nine upwind states to the Ozone Transport...more

Are You Subsidizing Another State's Air Pollution?

You might have to, if the Environmental Protection Agency gets its way in the U.S. Supreme Court on Tuesday. The court will hear oral arguments in a case dealing with the EPA’s ability to regulate cross-state, or...more

Industry Groups Petition D.C. Circuit for Review of Revisions to Air Pollution Standards for Oil & Gas Production Sources

On November 22, industry groups filed in the D.C. Circuit five petitions for review of the Environmental Protection Agency’s (EPA) final amendments to new source performance standards (NSPS) governing the oil and natural gas...more

Regulatory Utility Commissioners Seek Role In Development Of EPA Climate Rules

In June, President Obama directed the U.S. Environmental Protection Agency to propose standards regulating greenhouse gas emissions (“GHG”) from existing power plants. The requirements would be imposed under Section 111(d) of...more

New Legislation Would Vacate Proposed Carbon Pollution Standard for New Power Plants

Congressman Ed Whitfield (R-KY.), the chairman of the House Energy and Commerce Committee’s Energy and Power Subcommittee, introduced a bill on October 28, 2013 that would void the U.S. Environmental Protection Agency’s (EPA)...more

Third Circuit Holds “Source State” Common Law Tort Claims Not Preempted by Federal Clean Air Act

In an opinion filed on Tuesday, August 20, 2013, the U.S. Court of Appeals for the 3rd Circuit held that the federal Clean Air Act (CAA) does not preempt common law tort claims grounded in state law and brought against a...more

Third Circuit Dismisses NSR Action Against Coal Plant, Affirms Limits of Clean Air Act Liability

On August 21, 2013, the U.S. Court of Appeals for the 3rd Circuit roundly dismissed an enforcement action brought under the federal Clean Air Act (CAA or the Act) by the U.S. Environmental Protection Agency (EPA) and several...more

Section 126 of the Clean Air Act and Cooperative Federalism: EPA May Cooperate with the Downwind State Rather than the Upwind...

On Friday, in GenOn REMA v. EPA, the 3rd Circuit Court of Appeals ruled that, in response to a petition from a downwind state under § 126 of the Clean Air Act, EPA may issue a rule imposing emission limits on a source in the...more

REGULATORY: Environmental: U.S. Supreme Court Agrees to Review Interstate Air Pollution Rules

The U.S. Supreme Court will give the Environmental Protection Agency another chance to justify its rule targeting interstate air pollution. On June 24, 2013, the Court agreed to take up this issue by reviewing a case from the...more

American Lung Association’s Report “State Of The Air 2013? Shows Overall Improvement, But Still Problems For Some Cities In The...

The American Lung Association recently issued a Report entitled, “State of the Air 2013,” which looks at levels of ground-level ozone and particle pollution across the United States for the period 2009-2011....more

EPA Permitting Regulations Vacated—Project Delays Expected

The recent decision in Sierra Club v. EPA, 705 F.3d 458 (D.C. Cir. 2013) vacated all of EPA’s rules on Significant Monitoring Concentrations (“SMCs”), as well as some (the Prevention of Significant Deterioration (“PSD”)...more

"D.C. Circuit Decision May Significantly Impact the Process for Obtaining Clean Air Act Permits"

In Sierra Club v. Environmental Protection Agency, 2013 U.S. App. LEXIS 1408 (D.C. Cir. Jan. 22, 2013), the District of Columbia Circuit Court of Appeals issued a decision that is likely to have a significant impact on...more

Combine New Gas Plants, Lower Gas Prices, and More Stringent Emission Controls and What Do You Get? Lower Emissions

ISO New England has just released its Electric Generator Air Emissions Report for 2011. The bottom line?...more

Pennsylvania Department of Environmental Protection Proposes 50 Percent Increase in Title V Annual Air Emissions Fees

If you are one of the nearly 560 Title V facilities in Pennsylvania, DEP has proposed a 50 percent increase in your annual air emissions fees. (See 43 PA Bulletin 677, February 2, 2013.) Under the proposal, you will pay $85...more

EPA Finalizes Revisions To Clean Air Standards For Stationary Engines

On January 15, 2013, the U.S. Environmental Protection Agency (EPA) finalized revisions to standards to reduce air pollution from stationary engines that generate electricity and power equipment at industrial, agricultural,...more

When Do Air Emissions Constitute a Discharge to Waters of the United States? Any Time the Emissions Reach Waters of the United...

In a fascinating post today, my colleague from the American College of Environmental Lawyers, Patricia Finn Braddock, reported on a case at the intersection of the Clean Water Act and the Clean Air Act that could have...more

EPA Will Continue to Apply the "Functional Interdependence" Test for Air Quality Source Determinations Outside of the Sixth...

Introduction - On December 21, 2012, the U.S. Environmental Protection Agency (“EPA”) issued a new guidance memorandum (the “Page Memorandum”) on single source determinations for the oil and gas industry under the Clean...more

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