Oil Industry Rebuffed by Top Court on Air-Quality Rules

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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.