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Auto emission standards

California Dump Truck Owners Ass'n v. Nichols

The Ninth Circuit upheld the dismissal of a trucking association's federal preemption challenge to a California environmental regulation on diesel trucks. The regulation requires heavy-duty diesel trucks, whose emissions contribute...

Central Valley Chrysler-Jeep, Inc. v. Witherspoon

A district court stayed an automobile industry lawsuit over California's greenhouse gas rules for cars pending the outcome of the U.S. Supreme Court's decision in Massachusetts v. U.S. Environmental Protection Agency (EPA), 415...

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...