States that wish to quash new traveling ozone standards have not given good reason to have the rule frozen while litigation proceeds, according to an opposition brief filed by the Justice Department on Monday.
The agency told the US Supreme Court that the portions of a strict ozone pollution rule being challenged by states in court are “reasonable and adequately explained.”
“The Rule appropriately regulates industrial sources based on technical and policy determinations that are supported by a detailed record, and it provides a variety of compliance flexibilities to ensure that the necessary emissions reductions can be achieved without overcontrolling ...