Exhibit 23.4

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration Statement on Form S-4 of CONSOL Energy Inc. of our report dated February 15, 2008 relating to the financial statements, which appear in CNX Gas Corporation’s Annual Report on Form 10-K for the year ended December 31, 2008. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP

Pittsburgh, Pennsylvania

June 26, 2009