NEW YORK v. E.P.A.

Attorney(s) appearing for the Case

David S. Frankel , Assistant Solicitor General, Office of the Attorney General for the State of New York, argued the cause for petitioners. With him on the briefs were Barbara D. Underwood , Attorney General, Steven C. Wu , Deputy Solicitor General, Morgan A. Costello and Claiborne E. Walthall , Assistant Attorneys General, Matthew P. Denn , Attorney General, Office of the Attorney General for the State of Delaware, Valerie S. Edge , Deputy Attorney General, Maura Healey , Attorney General, Office of the Attorney General for the Commonwealth of Massachusetts, Carol A. Iancu , Assistant Attorney General, George Jepsen , Attorney General, Office of the Attorney General for the State of Connecticut, Matthew I. Levine and Jill Lacedonia , Assistant Attorneys General, Brian E. Frosh , Attorney General, Office of the Attorney General for the State of Maryland, Michael F. Strande , Deputy Attorney General, Peter F. Kilmartin , Attorney General, Office of the Attorney General for the State of Rhode Island, Gregory S. Schultz , Special Assistant Attorney General, Joshua Shapiro , Attorney General, Office of the Attorney General for the Commonwealth of Pennsylvania, Michael J. Fischer , Chief Deputy Attorney General, Kristen M. Furlan , Assistant Director, Thomas J. Donovan, Jr. , Attorney General, Office of the Attorney General for the State of Vermont, and Nicholas F. Persampieri , Assistant Attorney General. Steven Santarsiero , Chief Deputy Attorney General, Office of the Attorney General, for the Commonwealth of Pennsylvania, entered an appearance.

Ariel Solaski , Jon A. Mueller , and Joshua A. Berman were on the brief for amicus curiae Chesapeake Bay Foundation, Inc. and Sierra Club in support of petitioners' request for vacature.

Sonya Shea , Attorney, U.S. Department of Justice, argued the cause for respondents. With her on the brief were Jeffrey H. Wood , Acting Assistant Attorney General, Jonathan D. Brightbill , Deputy Assistant Attorney General, and Stephanie L. Hogan , Attorney, U.S. Environmental Protection Agency.

Michael DeWine , Attorney General, Office of the Attorney General for the State of Ohio, Eric E. Murphy , State Solicitor, Samuel C. Peterson , Deputy Solicitor, Aaron S. Farmer , Assistant Attorney General, Bill Schuette , Attorney General, Office of the Attorney General for the State of Michigan, Aaron D. Lindstrom , Solicitor General, Jacquelyn A. Quarles , Deputy General Counsel, Kentucky Energy and Environment Cabinet, Curtis T. Hill, Jr. , Attorney General, Office of the Attorney General for the State of Indiana, Thomas M. Fisher , Solicitor General, Patrick Morrisey , Attorney General, Office of the Attorney General for the State of West Virginia, Lindsay S. See , Solicitor General, and Paul A. Martin , Chief Deputy Attorney General, were on the brief for intervenors States of Ohio, et al. in support of respondent.

Joshua H. Stein , Attorney General, Office of the Attorney General for the State of North Carolina, Marc Bernstein , Special Deputy Attorney General, and Asher P. Spiller , Assistant Attorney General, were on the brief for respondent-intervenor the State of North Carolina.

Herbery H. Slatery, III , Attorney General Office of the Attorney General and Reporter for the State of Tennessee, and J. Peter Murrey , Assistant Attorney General, were on the brief for amicus curiae the State of Tennessee in support of respondents.

Norman W. Fichthorn , E. Carter Chandler Clements , and Andrew D. Knudsen were on the brief for respondent-intervenor Utility Air Regulatory Group.

Before: Wilkins and Katsas, Circuit Judges, and Randolph, Senior Circuit Judge.