‘‘(d) NATIONAL
TIRE
FUEL
EFFICIENCY
PRO-
GRAM.—(1) The Secretary shall develop and carry out a 
national tire efficiency program for tires designed for use 
on passenger cars and light trucks. The program shall in-
clude the following: 
‘‘(A) Policies and procedures for testing 
and labeling tires for fuel economy to enable 
tire buyers to make informed purchasing deci-
sions about the fuel economy of tires. 
‘‘(B) Policies and procedures to promote 
the purchase of energy-efficient replacement 
tires, including purchase incentives, website list-
ings on the Internet, printed fuel economy 
guide booklets, and mandatory requirements for 
tire retailers to provide tire buyers with fuel-ef-
ficiency information on tires. 
‘‘(C) Minimum fuel economy standards for 
tires, promulgated by the Secretary. 
‘‘(2) The minimum fuel economy standards for tires 
required under paragraph (1)(C) shall— 
‘‘(A) ensure that, in conjunction with the re-
quirements of paragraph (2)(B), the average fuel 
economy of replacement tires is equal to or better 
than the average fuel economy of tires sold as origi-
nal equipment; 
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‘‘(B) secure the maximum technically feasible 
and cost-effective fuel savings; 
‘‘(C) not adversely affect tire safety; 
‘‘(D) not adversely affect the average tire life of 
replacement tires; 
‘‘(E) incorporate the results from— 
‘‘(i) laboratory testing; and 
‘‘(ii) to the extent appropriate and avail-
able, on-road fleet testing programs conducted 
by manufacturers; and 
‘‘(F) not adversely affect efforts to manage 
scrap tires. 
‘‘(3) The policies, procedures, and standards devel-
oped under paragraph (1) shall apply to all tire types and 
models that are covered by the Uniform Tire Quality 
Grading Standards in section 575.104 of title 49, Code 
of Federal Regulations (or any successor regulation). 
‘‘(4) Not less than every 3 years, the Secretary shall 
review the minimum fuel economy standards in effect for 
tires under this subsection and revise the standards as 
necessary to ensure compliance with requirements under 
paragraph (2). The Secretary may not reduce the average 
fuel economy standards applicable to replacement tires. 
‘‘(5) Nothing in this section shall be construed to pre-
empt any provisions of State law relating to higher fuel 
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economy standards applicable to replacement tires de-
signed for use on passenger cars and light trucks. Nothing 
in this chapter shall apply to— 
‘‘(A) a tire or group of tires with the same 
product identification number, plant, and year, for 
which the volume of tires produced or imported is 
less than 15,000 annually; 
‘‘(B) a deep tread, winter-type snow tire, space- 
saver tire, or temporary use spare tire; 
‘‘(C) a tire with a normal rim diameter of 12 
inches or less; 
‘‘(D) a motorcycle tire; or 
‘‘(E) a tire manufactured specifically for use in 
an off-road motorized recreational vehicle. 
‘‘(6) In this subsection, the term ‘fuel economy’, with 
respect to tires, means the extent to which the tire con-
tribute to the fuel economy of the motor vehicles on which 
the tire are mounted.’’. 
(b) 
CONFORMING
AMENDMENT.—Section 
30103(b)(1) of title 49, United States Code, is amended 
by striking ‘‘When’’ and inserting ‘‘Except as provided in 
section 30123(d) of this title, when’’. 
(c) IMPLEMENTATION.—The Secretary of Transpor-
tation shall ensure that the national tire fuel efficiency 
program required under section 30123(d) of title 49, 
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United States Code (as added by subsection (a)(2)), is ad-
ministered so as to apply the policies, procedures, and 
standards developed under paragraph (2) of such sub-
section beginning not later than March 31, 2008. 
SEC. 107. HEAVY DUTY VEHICLE FUEL ECONOMY REQUIRE-
MENTS. 
(a) FUEL ECONOMY STANDARDS FOR HEAVY DUTY 
TRUCKS.—Part C of subtitle VI of title 49, United States 
Code, is amended by adding after chapter 329 the fol-
lowing new chapter: 
‘‘CHAPTER 330—HEAVY DUTY VEHICLE 
FUEL ECONOMY REQUIREMENTS 
‘‘§ 33001. General 
‘‘(1) PURPOSE AND POLICY.—The purpose of 
this chapter is to reduce petroleum consumption by 
heavy duty motor vehicles to the maximum extent 
feasible. Therefore it is necessary to prescribe fuel 
economy requirements for heavy duty motor vehicles. 
‘‘(2) DEFINITION.—In this chapter, ‘heavy duty 
motor vehicle’ means a vehicle of greater than 
10,000 pounds gross vehicle weight that is driven or 
drawn by mechanical power and manufactured pri-
marily for use on public streets, roads, and high-
ways, but does not include a vehicle operated only on 
a rail line. 
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