But the only question before the Court is more narrow: whether the “best system of emission reduction” iden- tified by EPA in the Clean Powe r Plan was within the authority granted to the Agency in Section 111(d) of the Clean Air Act. For the reasons given, the answer is no. Pp. 28–31. 985 F. 3d 914, reversed and remanded.

https://www.supremecourt.gov/opinions/21pdf/21-954_7l48.pdf

But the only question before the Court is more narrow: whether the “best system of emission reduction” iden- tified by EPA in the Clean Powe r Plan was within the authority granted to the Agency in Section 111(d) of the Clean Air Act. For the reasons given, the answer is no. Pp. 28–31. 985 F. 3d 914, reversed and remanded.