Unit No. 3 is buzzing with construction workers who are installing environmental upgrades to make the coal-fired operation run cleaner.

Oklahoma’s largest utility companies say they’re already on track to meet the carbon-reduction goals in the federal plan.

Though just finalized, the plan has been in the works for two years, and Oklahoma has opposed it every step of the way.

Mike Mackey, owner of Osage Wireline Inc. cut half his workforce last month.

It’s the state’s natural gas industry that’s expected to flourish as utility companies search for alternate fuel sources.

A plan to comply with the regional haze rule is due in August.

The agreement between the utility, state, and EPA is expected to bring PSO into compliance with the regional haze rule.

People who drive natural gas powered vehicles aren’t used to pain at the pump.

The Sierra Club said combining the offices was a “disservice” to the state.

On Thursday, a U.S. Bankruptcy Court judge ruled that was improper.