Texas air is of "excellent" quality because of the state's unique climate regulations, said Rep. Joe Barton, R-Texas, during a Friday visit to the Texas Commission on Environmental Quality's office. On Thursday, Gina McCarthy, assistant administrator for the Environmental Protection Agency's Office of Air and Radiation, said at a congressional hearing that the state's regulatory approach is more lenient than federal laws. "The federal government sets the standard, but then the states implement it. I think Texas has done an excellent job of not only implementing the standards but of proving they're in compliance," Barton said.

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