I know Murkowski is not liked, I don’t like her either, but I have to point out that it was her amendment last year that would have stopped the EPA’s actions against Texas refineries and other targets. That failed thanks to Dumb and Dumber (D-Va).
Delayed EPA's actions.
They are trying to to delay EPA long enough for Congress reach a consensus such that Congress can preempt EPA. The first attempt was the House cap and trade bill.