CALUMET SHREVEPORT REFINING v. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY (2025)

United States Court of Appeals, Fifth Circuit.

CALUMET SHREVEPORT REFINING, L.L.C.; Placid Refining Company, L.L.C., Ergon Refining, Incorporated; Wynnewood Refining Company, L.L.C., Petitioners, v. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY, Respondent,

Wynnewood Refining Company, L.L.C.; Calumet Shreveport Refining, L.L.C.; San Antonio Refinery, L.L.C.; Petitioners, v. United States Environmental Protection Agency, Respondent,

Ergon Refining, Incorporated; Ergon-West Virginia, Incorporated, Petitioners, v. United States Environmental Protection Agency, Respondent,

Placid Refining Company, L.L.C., Petitioner, v. United States Environmental Protection Agency, Respondent.

No. 22-60266, No. 22-60425, No. 22-60433, No. 22-60434

Decided: August 07, 2025

Before Elrod, Chief Judge, Higginbotham and Smith, Circuit Judges.

Perkins Coie, L.L.P., Jonathan Hardin, Alexandra Bromer, Washington, DC, Michael R. Huston, Karl J. Worsham, Phoeniz, AZ, Sopen B. Shah, Madison, WI, Gregory James Morical, General Counsel, Calumet Specialty Products Partners, L.P., Indianapolis, IN, for Petitioner Calumet Shreveport Refining, L.L.C. in 22-60266. Perkins Coie, L.L.P., Jonathan Hardin, Alexandra Bromer, Washington, DC, Michael R. Huston, Karl J. Worsham, Phoeniz, AZ, Sopen B. Shah, Madison, WI, for Petitioners Placid Refining Company, L.L.C., Ergon Refining, Incorporated in 22-60266. White & Case, L.L.P., Samuel P. Hershey, New York, NY, Andrew Gershenfeld, Attorney, Thomas E. Lauria, Miami, FL, Taylor Robert Pullins, Houston, TX, for Petitioner Wynnewood Refining Company, L.L.C. 22-60266. Bryan James Harrison, Trial Attorney, Jeffrey Hughes, U.S. Department of Justice, Environment & Natural Resources Division, Washington, DC, Jeffrey Prieto, Environmental Protection Agency, Office of General Counsel, Washington, DC. for Respondent in 22-60266, 22-60433, 22-60434. Matthew W. Morrison, Shelby Leigh Dyl, Attorney, Pillsbury Winthrop Shaw Pittman, L.L.P., Washington, DC, for Intervenors Renewable Fuels Association, Growth Energy, American Coalition for Ethanol, National Farmers Union, National Corn Growers Association in 22-60266. William Perdue, Arnold & Porter Kaye Scholer, L.L.P., Washington, DC, for Amici Curiae NATSO, SIGMA: America's Leading Fuel Marketers, in 22-60266, 22-60425, 22-60433, 22-60434. White & Case, L.L.P., Samuel P. Hershey, New York, NY, Andrew Gershenfeld, Attorney, Thomas E. Lauria, Miami, FL, for Petitioner Wynnewood Refining Company, L.L.C. in 22-60425. Perkins Coie, L.L.P., Jonathan Hardin, Alexandra Bromer, Washington, DC, Michael R. Huston, Karl J. Worsham, Phoeniz, AZ, Sopen B. Shah, Madison, WI, Eric B. Wolff, Seattle, WA, Gregory James Morical, General Counsel, Calumet Specialty Products Partners, L.P., Indianapolis, IN, for Petitioner Calumet Shreveport Refining, L.L.C. in 22-60425. Perkins Coie, L.L.P., Jonathan Hardin, Alexandra Bromer, Washington, DC, Michael R. Huston, Karl J. Worsham, Phoeniz, AZ, Sopen B. Shah, Madison, WI, Eric B. Wolff, Seattle, WA, for Petitioner San Antonio Refinery, L.L.C. in 22-60425. Bryan James Harrison, Trial Attorney, Jeffrey Hughes, Merrick Garland, U.S. Attorney General, Attorney General, U.S. Department of Justice, Environment & Natural Resources Division, Washington, DC, Jeffrey Prieto, Michael S. Regan, Environmental Protection Agency, Office of General Counsel, Washington, DC. for Respondent in 22-60425. Shelby Leigh Dyl, Attorney, Pillsbury Winthrop Shaw Pittman, L.L.P., Washington, DC, for Renewable Fuels Association, Growth Energy, American Coalition for Ethanol, National Farmers Union, National Corn Growers Association in 22-60425, 22-60433, 22-60434. Perkins Coie, L.L.P., Jonathan Hardin, Alexandra Bromer, Washington, DC, Michael R. Huston, Karl J. Worsham, Phoeniz, AZ, Sopen B. Shah, Madison, WI, for Petitioners Ergon Refining, Incorporated, Ergon-West Virginia, Incorporated in 22-60433. Perkins Coie, L.L.P., Jonathan Hardin, Alexandra Bromer, Washington, DC, Michael R. Huston, Karl J. Worsham, Phoeniz, AZ, Sopen B. Shah, Madison, WI, for Petitioner Placid Refining Company, L.L.C. in 22-60434.