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Auto emission standards

The Volkswagen Air Pollution Emissions Litigation

On September 18, 2015, EPA announced that 482,000 Volkswagen diesel engine vehicles sold in the United States were programmed to pass emissions tests, but when operated under normal driving conditions emit air pollutants well above the...

Federal Control of Air Emissions From New Heavy-Duty Road Vehicles

Heavy-duty road vehicles are subject to a regulatory program administered primarily by the federal government, a program that evolved out of concerns about increasing smog in California in the 1960s. Among the applicable regulations...

Hybridizing Federal and State Regulation of Clean Taxis Introduction

For years, attempts by states and localities to regulate vehicular emissions have been thwarted by the Supreme Court’s environmental preemption doctrine. These preemption cases emphasize textual, plain-meaning interpretations of the...

The Legality of EPA's Greenhouse Gas Waiver Denial

Editors' Summary

In December 2007, EPA denied a request submitted by California pursuant to §209 of the CAA. That request for a waiver from federal preemption, if granted, would have allowed California to set its own motor...

Risky Business? Massachusetts v. EPA, Risk-Based Harm, and Standing in the D.C. Circuit

Editors' Summary: On September 19, 2007, the Environmental Law Institute hosted a seminar to examine developments in environmental standing in the U.S. Court of Appeals for the District of Columbia Circuit following the Supreme Court's...

Access to Courts After Massachusetts v. EPA: Who Has Been Left Standing?

Editors' Summary: On May 3, 2007, the Environmental Law Institute (ELI) hosted a seminar to discuss the recent U.S. Supreme Court ruling in the Massachusetts v. EPA case. This seminar was a follow-up to ELI's December 13, 2006, seminar...

Controlling Greenhouse Gas Emissions From Mobile Sources--Massachusetts v. EPA

Editors' Summary: The recent Supreme Court decision in Massachusetts v. EPA is predicted to have significant impacts on standing to sue, regulation pursuant to the CAA, and pending climate change cases. Arnold W. Reitze examines the...

No Second-Class States: Why the California Exceptions in the Clean Air Act Are Unconstitutional

Editor's Summary: The U.S. Department of Transportation's new fuel economy rules for light trucks and sport utility vehicles are under fire, in part because the Bush Administration has taken the position that the new rules preempt the...

Massachusetts v. EPA: The D.C. Circuit's Failure to Extend the Clean Air Act to Greenhouse Gas Emissions

Editors' Summary: On July 15, 2005, the U.S. Court of Appeals for the D.C. Circuit upheld EPA's decision not to regulate carbon dioxide and other greenhouse gas (GHG) emissions from automobiles, thereby thwarting efforts to use the CAA...

The Hydrogen Economy and Its Potential Impacts

I. Introduction

Air pollution emissions that prevent many areas of the country from achieving the Clean Air Act's (CAA's) national ambient air quality standards (NAAQS) could be reduced if cleaner sources of energy were utilized...