Bloomberg News

Oil Industry Rebuffed by Top Court on Air-Quality Rules

April 01, 2013

The U.S. Supreme Court rejected an oil-industry challenge to new clean-air standards that the Environmental Protection Agency says will improve air quality around the nation’s busiest roadways.

The American Petroleum Institute was seeking to overturn the EPA’s first-ever rule protecting people from short-term exposure to nitrogen dioxide, a toxic gas linked to asthma attacks. The nation’s highest court today left intact a federal appeals court ruling upholding the standards.

The EPA rule will limit concentrations of nitrogen dioxide in the atmosphere to 100 parts per billion. Nitrogen oxides are byproducts of combustion, primarily coming from vehicle engines and power plants.

The case is American Petroleum Institute v. Environmental Protection Agency, 12-760.

To contact the reporter on this story: Greg Stohr in Washington at gstohr@bloomberg.net

To contact the editor responsible for this story: Steven Komarow at skomarow1@bloomberg.net


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