SEC. 2. EXTENSION AND MODIFICATION OF NEW QUALI-
FIED PLUG-IN ELECTRIC DRIVE MOTOR VEHI-
CLES CREDIT. 
(a) EXTENSION.— 
(1) IN
GENERAL.—Subsection (e) of section 
30D of the Internal Revenue Code of 1986 is 
amended to read as follows: 
‘‘(e) TERMINATION.—This section shall not apply to 
any new qualified plug-in electric drive motor vehicle 
placed in service after December 31, 2029.’’. 
(2) 2- AND 3-WHEELED PLUG-IN ELECTRIC VE-
HICLES.—Subparagraph (E) of section 30D(g)(3) of 
such Code is amended by striking ‘‘or’’ at the end 
of clause (i), by redesignating clause (ii) as clause 
(iii), and by inserting after clause (i) the following 
new clause: 
‘‘(ii) after December 31, 2018, and 
before January 1, 2030, or’’. 
(b) CREDIT MAY BE ASSIGNED TO FINANCING ENTI-
TY.—Section 30D(f) of the Internal Revenue Code of 
1986 is amended by adding at the end the following new 
paragraph: 
‘‘(8) CREDIT MAY BE ASSIGNED TO FINANCING 
ENTITY.— 
‘‘(A) IN GENERAL.—The taxpayer to whom 
the credit which would (but for this paragraph) 
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be allowed under subsection (a) for any taxable 
year with respect to a vehicle may assign such 
credit to the person who financed the purchase 
(or lease of at least 2 years) of such vehicle. 
Any person to whom such credit is assigned 
under the preceding sentence shall be treated 
for purposes of this title as the taxpayer who 
placed such vehicle in service. 
‘‘(B) DISCLOSURE
REQUIREMENT.—Sub-
paragraph (A) shall not apply with respect to 
any vehicle unless the person to whom the cred-
it is assigned clearly discloses in writing to the 
taxpayer the amount of the credit allowable 
under subsection (a) with respect to such vehi-
cle (determined without regard to subsection 
(c)).’’. 
(c) CARRYFORWARD OF UNUSED CREDIT.—Section 
30D of the Internal Revenue Code of 1986 is amended 
by redesignating subsection (g) (as amended by subsection 
(a)(2)) as subsection (h), and by inserting after subsection 
(f) the following new subsection: 
‘‘(g) CARRYFORWARD OF UNUSED CREDIT.— 
‘‘(1) IN
GENERAL.—If the credit allowable 
under subsection (a) (after the application of sub-
section (e)) exceeds the limitation imposed by section 
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26(a) for such taxable year reduced by the sum of 
the credits allowable under this subpart (other than 
subsection (a) of this section), such excess shall be 
carried to the succeeding taxable year and treated as 
a credit allowable under subsection (a) for such suc-
ceeding taxable year. 
‘‘(2) LIMITATION.—No amount of credit may 
be carried forward under this subsection to any tax-
able year following the 5th taxable year after the 
taxable year in which the credit arose. For purposes 
of the preceding sentence, credits shall be treated as 
used on a first-in, first-out basis.’’. 
(d) EFFECTIVE DATES.— 
(1) EXTENSION.—The amendments made by 
subsection (a) shall apply to vehicles acquired after 
December 31, 2018. 
(2) ASSIGNMENT.—The amendments made by 
subsection (b) shall apply to vehicles acquired more 
than 60 days after the date of the enactment of this 
Act. 
(3) CARRYFORWARD.—The amendments made 
by subsection (c) shall apply to vehicles sold after 
the date of the enactment of this Act. 
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SEC. 3. EXTENSION OF THE ALTERNATIVE FUEL VEHICLE 
REFUELING PROPERTY CREDIT. 
(a) IN GENERAL.—Section 30C(g) of the Internal 
Revenue Code of 1986 is amended by striking ‘‘2017’’ and 
inserting ‘‘2029’’. 
(b) EFFECTIVE DATE.—The amendment made by 
this section shall apply to property placed in service after 
December 31, 2017. 
SEC. 4. EXTENSION OF THE ALTERNATIVE MOTOR VEHICLE 
CREDIT. 
(a) IN GENERAL.—Paragraph (1) of section 30B(k) 
of the Internal Revenue Code of 1986 is amended by strik-
ing ‘‘2017’’ and inserting ‘‘2029’’. 
(b) EFFECTIVE DATE.—The amendment made by 
this section shall apply to property placed in service after 
December 31, 2017. 
Æ 
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