Petitioner

v. Environmental Protection Agency and Lee M. Zeldin, Administrator, U.S. EPA,

Respondents ------------------------------ City Utilities of Springfield, Missouri, et al., Intervenors ------------------------------ Consolidated with 23-1181, 23-1183, 23-1190, 23-1191, 23-1193, 23-1195, 23-1199, 23-1200, 23-1201, 23-1202, 23-1203, 23-1205, 23-1206, 23-1207, 23-1208, 23-1209, 23-1211, 23-1306, 23-1307, 23-1314, 23-1315, 23-1316, 23-1317, 25-1054, 25-1055, 25-1057 United States Court of Appeals FOR THE DISTRICT OF COLUMBIA CIRCUIT ____________ No. 23-1157 September Term, 2024

No. 24-1172 EPA-89FR23526 United States Steel Corporation,

Petitioner

v. Environmental Protection Agency and Michael S. Regan, Administrator, United States Environmental Protection Agency,

Respondents ------------------------------ Air Alliance Houston, et al.,