January 13, 2017
The Environmental Protection Agency on Friday filed a notice with the Federal Register saying it has reached an agreement to settle a suit filed by environmental groups accusing the agency of failing to update its air quality standards for sulfur oxide and oxides of nitrogen every five years.
July 07, 2016
Environmental groups sued the U.S. Environmental Protection Agency on Thursday in California federal court, accusing the agency of violating the Clean Air Act by not updating air pollution thresholds for sulfur and nitrogen.