Authority to regulate carbon at stake in legal fight over Trump's coal rule

The Trump administration’s move to gut President Barack Obama’s signature coal pollution rule could clarify an unresolved legal dispute about the federal government’s authority to regulate carbon dioxide, the chief contributor to climate change.

“It’s going to be so interesting to watch if are we going to see the Clean Air Act moving forward be about addressing carbon pollution in a broad power sector sense, or more plant-to-plant and fuel specific standards,” Devin Hartman, electricity policy manager of the free market R Street Institute, told the Washington Examiner. “This will be a very revealing test of that in the courts.”