2007—Subsec. (b). Pub. L. 110–172, § 6(b)(1), reenacted heading without change and amended introductory provisions generally. Prior to amendment, introductory provisions read as follows: “The credit allowed under subsection (a) with respect to any alternative fuel vehicle refueling property shall not exceed—”.

Subsec. (c). Pub. L. 110–172, § 6(b)(2), reenacted heading without change and amended text generally. Prior to amendment, text read as follows:

“(1) In general.—Except as provided in paragraph (2), the term ‘qualified alternative fuel vehicle refueling property’ has the meaning given to such term by section 179A (d), but only with respect to any fuel—

“(A) at least 85 percent of the volume of which consists of one or more of the following: ethanol, natural gas, compressed natural gas, liquefied natural gas, liquefied petroleum gas, or hydrogen, or

“(B) any mixture of biodiesel (as defined in section 40A (d)(1)) and diesel fuel (as defined in section 4083 (a)(3)), determined without regard to any use of kerosene and containing at least 20 percent biodiesel.

“(2) Residential property.—In the case of any property installed on property which is used as the principal residence (within the meaning of section 121) of the taxpayer, paragraph (1) of section 179A (d) shall not apply.”

2005—Subsec. (d)(2)(A). Pub. L. 109–135, § 412(d), substituted “regular tax liability (as defined in section 26 (b))” for “regular tax”.

Subsec. (e)(2). Pub. L. 109–135, § 402(k), inserted at end “For purposes of subsection (d), property to which this paragraph applies shall be treated as of a character subject to an allowance for depreciation.”

Pub. L. 110–172, § 6(e), Dec. 29, 2007, 121 Stat. 2481, provided that:

“(1) In general.—Except as otherwise provided in this subsection, the amendments made by this section [amending this section and sections 41, 45J, 4041, 4042, 4082, and 6430 of this title, and enacting provisions set out as a note under section 6430 of this title] shall take effect as if included in the provisions of the Energy Policy Act of 2005 [Pub. L. 109–58] to which they relate.

“(2) Nonapplication of exemption for off-highway business use.—The amendment made by subsection (d)(3) [amending section 4041 of this title] shall apply to fuel sold for use or used after the date of the enactment of this Act [Dec. 29, 2007].

“(3) Amendment made by the safetea–lu.—The amendment made by subsection (d)(2)(C)(ii) [amending section 4082 of this title] shall take effect as if included in section 11161 of the SAFETEA–LU [Pub. L. 109–59].”

Amendment by section 402(k) of Pub. L. 109–135 effective as if included in the provision of the Energy Policy Act of 2005, Pub. L. 109–58, to which such amendment relates, see section 402(m)(1) of Pub. L. 109–135, set out as an Effective and Termination Dates of 2005 Amendments note under section 23 of this title.

Pub. L. 109–58, title XIII, § 1342(c), Aug. 8, 2005, 119 Stat. 1051, provided that: “The amendments made by this section [enacting this section and amending sections 38, 55, 1016, and 6501 of this title] shall apply to property placed in service after December 31, 2005, in taxable years ending after such date.”