is amended by inserting after paragraph (2) the following new paragraph: (3) Renewable natural gas No credit shall be determined under this section with respect to any renewable natural gas which is produced outside the United States for use as a fuel outside the United States. . (4) Energy equivalency Section 6426(j) of such Code is amended— (A) by inserting or renewable natural gas, after alternative fuel , and (B) by inserting or gas after such a fuel . (c) Payments (1) In general Section 6427(e) of the Internal Revenue Code of 1986 is amended by redesignating paragraphs (3) through (6) as paragraphs (4) through (7), respectively, and by inserting after paragraph (2) the following new paragraph: (3) Renewable natural gas If any person sells or uses renewable natural gas (as defined in section 6426(k)(2)) for a purpose described in section 6426(k)(1) in such person's trade or business, the Secretary shall pay (without interest) to such person an amount equal to the renewable natural gas fuel credit with respect to such fuel. . (2) Termination Section 6427(e)(7) of such Code, as redesignated by paragraph (1), is amended by striking and at the end of subparagraph (D), by striking the period at the end of subparagraph (E) and inserting , and , and by adding at the end the following new subparagraph: (F) any renewable natural gas (as defined in section 6426(k)(2)) sold or used after December 31, 2033. . (3) Conforming amendments (A) Section 6427(e)(4) of such Code, as redesignated by paragraph (1), is amended— (i) by striking paragraph (1) or (2) and inserting paragraph (1), (2), or (3) , and (ii) by striking any mixture or alternative fuel and inserting any mixture, alternative fuel, or renewable natural gas . (B) Section 6427(e)(6) of such Code, as redesignated by paragraph (1), is amended by striking alternative fuel credit or alternative fuel mixture credit and inserting alternative fuel credit, alternative fuel mixture credit, or renewable natural gas fuel credit . (C) Section 6427(e)(6) of such Code, as