August 23, 2019
The D.C. Circuit on Friday upheld the U.S. Environmental Protection Agency's 2015 rule tightening ozone standards to protect public health, rejecting arguments from industry and states that it's too protective and from environmental groups that the rule doesn't go far enough.
December 18, 2018
A D.C. Circuit panel on Tuesday examined whether a 2015 U.S. Environmental Protection Agency rule aimed at reducing ozone emissions can realistically be complied with and what criteria the agency relied on when determining whether permitted emission levels are safe.
August 01, 2018
The U.S. Environmental Protection Agency said in a court filing Wednesday that it "does not intend" to revisit a 2015 rule that tightened ozone standards, answering a lingering question that had both industry and environmental groups on edge.
April 12, 2017
The D.C. Circuit on Tuesday postponed oral arguments over the validity of the Environmental Protection Agency's more stringent 2015 smog standards, a move the agency had pushed so it could review the rule crafted by the Obama administration.
April 10, 2017
A coalition of environmental and health groups on Monday told the D.C. Circuit it should reject the U.S. Environmental Protection Agency’s request to postpone oral arguments over the validity of its new ambient air quality standards for ozone.
January 02, 2017
After a year filled with blockbuster rulings, energy litigation will again grab the spotlight in 2017, with an eagerly awaited decision on the legality of the Obama administration's signature Clean Power Plan taking center stage. Here are the cases that energy attorneys will be watching this year.
September 15, 2016
States, industry groups and health advocacy groups involved in the legal tug-of-war over the U.S. Environmental Protection Agency's new ambient air quality standards for ozone further lobbied the D.C. Circuit to invalidate the new limits on Wednesday, saying the EPA's defense of its new standards doesn't hold up.
August 17, 2016
Challengers of the U.S. Environmental Protection Agency's tighter national ozone limits lobbed legal shots at each other in the D.C. Circuit Wednesday, with environmental groups claiming industry groups are recycling rejected arguments against tougher standards and industry groups saying assertions that the new standards aren't strong enough are meritless.
August 15, 2016
States and state agencies including New York and the California Air Resources Board on Friday backed the U.S. Environmental Protection Agency's tighter national ozone limits, telling the D.C. Circuit in an amicus brief Friday that the new standards are both necessary and achievable.
August 01, 2016
The U.S. Environmental Protection Agency acted well within its Clean Air Act authority and struck an appropriate balance between industry and environmental concerns when it crafted tighter national ozone limits, the agency told the D.C. Circuit Friday.