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Sometimes Guidance Actually Provides Guidance

As regular readers know, the tension between guidance and regulation is one of my favorite topics. My view is that, in general, guidance is too often used simply to avoid notice and comment rulemaking and that, once issued,...more

It’s the Externalities, Stupid.

Last week, the Lancet Commission on pollution and public health (free registration required) released a study on the annual costs of pollution. There’s bound to be argument about the specifics, but it’s difficult to argue...more

EPA Fails to Justify Its Use of Surrogates for Certain Hazardous Air Pollutants

July 18, 2017, the D.C. Circuit Court of Appeals remanded EPA’s MACT standards for PCBs, polycyclic organic matter, and hexachlorobenzene to EPA. Rather than setting specific MACT standards for these compounds, EPA regulated...more

7/20/2017  /  Air Pollution , Appeals , EPA

Court Orders EPA to Promulgate Air Toxics Standards: A Taste of What’s to Come?

On March 22, 2017, federal Judge Christopher Cooper ordered EPA to promulgate emissions standards for 13 sources of hazardous air pollutants by June 30, 2020. EPA admitted that it missed statutory deadlines to do so; the...more

A Reminder of the Progress We’ve Made

Given how easy it can be to get discouraged about progress in addressing climate change, I think it’s helpful periodically to remember how much progress the U.S. has made in fighting air pollution. It thus seemed useful to...more

11/8/2016  /  Air Pollution , Climate Change

Chevron Deference Lives! EPA’s Boiler Rule (Mostly) Survives Review

On Friday, the D.C. Circuit largely upheld EPA’s Boiler MACT rule. The industry challenges were a complete washout. The environmental petitioners won one significant victory and a number of smaller ones....more

EPA Continues to Dismantle Clean Air Act Affirmative Defenses — Blame It On the Judge(s)

On Wednesday, EPA published certain amendments to the Mercury and Air Toxics Standards in the Federal Register. EPA describes most of the changes as “technical corrections,” but there is one important substantive change. ...more

Putting a Price on Clean Air

There has been a lot of scholarly discussion in recent years about the importance of putting a price on natural resources. The pricing issue has been particularly in the limelight in connection with the drought in the...more

Perhaps the Clean Air Act Really Doesn’t Preempt State Common Law Remedies

This week, the 6th Circuit Court of Appeals held, in Merrick v. Diageo Americas Supply, that the Clean Air Act does not preempt source state common law remedies seeking to control air pollution – even where the defendant is...more

EPA May Be Regulating GHGs, But Private Litigation Still Looks to be On Shaky Ground

In a case of interesting timing, three days after EPA announced its proposed GHG rules for existing facilities, the D.C. Circuit affirmed dismissal of a case seeking an injunction against EPA and other federal defendants...more

Cement Kiln Operators Better Hope that Their Control Technology Works: D.C. Circuit Vacates EPA’s Affirmative Defense Rule

Last week was hazardous air pollutant regulation week at the D.C. Circuit Court of Appeals. First, as we reported, the Court affirmed EPA’s mercury air toxics rule, determining that EPA need not take cost into account in...more

D.C. Circuit Affirms EPA’s Utility Air Toxics Rule: An “Appropriate” Rule Need Not Be Justified By Cost-Benefit Analysis

Yesterday, the D.C. Circuit Court of Appeals affirmed EPA’s rule setting limits for emissions of mercury and other air toxics from fossil-fuel-fired electric steam generating units. The focus of the decision – and the issue...more

Opacity Still Matters: Court of Appeals Affirms EPA’s NSPS for Particulate Matter

Last week, in Utility Air Regulatory Group v. EPA, the D.C. Circuit Court of Appeals affirmed EPA’s 2012 New Source Performance Standards for particulate matter emissions from fossil-fuel-fired steam electric generating...more

3/17/2014  /  Air Pollution , Clean Energy , EPA

What Do Midwestern States Have In Common With Groucho Marx? Ask Them Whether They Want to Be Part of the Ozone Transport Region

As the Supreme Court gets ready to consider the validity of EPA’s Cross-State Air Pollution Rule, some of the Northeastern and Mid-Atlantic states are taking another tack to address at least part of the air pollution...more

12/10/2013  /  Air Pollution , EPA , SCOTUS

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

The Supreme Court Agrees to Review the CSAPR Decision: Might EPA Avoid Version 3 of the Transport Rule?

On June 24, 2013, the Supreme Court granted certiorari in EPA v. EME Homer City, the challenge to EPA’s Cross-State Air Pollution Rule, or CSAPR. The Court of Appeals for the District of Columbia had struck down the rule,...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 Splits the Baby on Backup Generators: Still Allows 100 Hours Use, But Now Requires Ultra Low Sulfur Diesel

Yesterday, EPA finalized revisions to the National Emissions Standards for Hazardous Air Pollutants for stationary reciprocating internal combustion engines, or – one of my new favorite acronyms – RICE. The biggest dispute...more

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