Some background: The origin of new source review lies in a big policy mistake 30 years ago.

The provision in question is known as new source review.

The only thing that has moved forward is the independent gutting of new source review.

On March 29, new source review was added to the task force's agenda.

"Joseph Kelliher personally had no role with respect to new source review," she said.

All the settlements with refiners over new source review have been achieved without suits.

The industry has argued that the regulation, called new source review, is onerous and contradictory.

The amendments to new source review are just one tack that the administration is taking to reduce its effects.

He said new source review was only one aspect of the rules governing air quality.

But new source review remains a major point of disagreement.