facility. (ii) Limited application of eligible components In the case of eligible components that are designed to capture carbon dioxide solely from specific sources of emissions or portions thereof within an industrial carbon dioxide facility, the capture and storage percentage under this subparagraph shall be determined based only on such specific sources of emissions or portions thereof. . (b) Volume cap Section 146(g)(4) of such Code is amended by striking paragraph (11) of section 142(a) (relating to high-speed intercity rail facilities) and inserting paragraph (11) or (16) of section 142(a) . (c) Clarification of private business use Section 141(b)(6) of such Code is amended by adding at the end the following new subparagraph: (C) Clarification relating to qualified carbon dioxide capture facilities For purposes of this subsection, the sale of carbon dioxide produced by a qualified carbon dioxide capture facility (as defined in section 142(n)) which is owned by a governmental unit shall not constitute private business use. . (d) Effective date The amendments made by this section shall apply to obligations issued after December 31, 2017.