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(B) document project results and energy 
savings (in estimated units of energy conserved); 
(C) facilitate partnerships among interested 
parties in at least 2 of the fields of— 
(i) transportation; 
(ii) law enforcement; 
(iii) education; 
(iv) public health; 
(v) environment; and 
(vi) energy; 
(D) maximize bicycle facility investments; 
(E) demonstrate methods that may be used 
in other regions of the United States; and 
(F) facilitate the continuation of ongoing 
programs that are sustained by local resources. 
(3) COST SHARING.—At least 20 percent of the 
cost of each pilot project described in paragraph (1) 
shall be provided from non-Federal sources. 
(d) ENERGY AND BICYCLING RESEARCH STUDY.— 
(1) IN GENERAL.—Not later than 2 years after 
the date of enactment of this Act, the Secretary shall 
enter into a contract with the National Academy of 
Sciences for, and the National Academy of Sciences 
shall conduct and submit to Congress a report on, a
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study on the feasibility of converting motor vehicle 
trips to bicycle trips. 
(2) COMPONENTS.—The study shall— 
(A) document the results or progress of the 
pilot projects under subsection (c); 
(B) determine the type and duration of 
motor vehicle trips that people in the United 
States may feasibly make by bicycle, taking into 
consideration factors such as— 
(i) weather; 
(ii) land use and traffic patterns; 
(iii) the carrying capacity of bicycles; 
and 
(iv) bicycle infrastructure; 
(C) determine any energy savings that 
would result from the conversion of motor vehicle 
trips to bicycle trips; 
(D) include a cost-benefit analysis of bicycle 
infrastructure investments; and 
(E) include a description of any factors 
that would encourage more motor vehicle trips to 
be replaced with bicycle trips. 
(e) AUTHORIZATION OF APPROPRIATIONS.—There is 
authorized to be appropriated to the Secretary to carry out
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this section $6,200,000, to remain available until expended, 
of which— 
(1) $5,150,000 shall be used to carry out pilot 
projects described in subsection (c); 
(2) $300,000 shall be used by the Secretary to co-
ordinate, publicize, and disseminate the results of the 
program; and 
(3) $750,000 shall be used to carry out sub-
section (d). 
SEC. 733. REDUCTION OF ENGINE IDLING OF HEAVY-DUTY 
VEHICLES. 
(a) DEFINITIONS.—In this section: 
(1) 
ADMINISTRATOR.—The 
term 
‘‘Adminis-
trator’’ means the Administrator of the Environ-
mental Protection Agency. 
(2) ADVANCED
TRUCK
STOP
ELECTRIFICATION 
SYSTEM.—The term ‘‘advanced truck stop electrifica-
tion system’’ means a stationary system that delivers 
heat, air conditioning, electricity, and communica-
tions, and is capable of providing verifiable and 
auditable evidence of use of those services, to a heavy- 
duty vehicle and any occupants of the heavy-duty ve-
hicle without relying on components mounted onboard 
the heavy-duty vehicle for delivery of those services.
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(3) AUXILIARY POWER UNIT.—The term ‘‘auxil-
iary power unit’’ means an integrated system that— 
(A) provides heat, air conditioning, engine 
warming, and electricity to the factory-installed 
components on a heavy-duty vehicle as if the 
main drive engine of the heavy-duty vehicle were 
running; and 
(B) is certified by the Administrator under 
part 89 of title 40, Code of Federal Regulations 
(or any successor regulation), as meeting appli-
cable emission standards. 
(4) HEAVY-DUTY VEHICLE.—The term ‘‘heavy- 
duty vehicle’’ means a vehicle that— 
(A) has a gross vehicle weight rating greater 
than 12,500 pounds; and 
(B) is powered by a diesel engine. 
(5) IDLE REDUCTION TECHNOLOGY.—The term 
‘‘idle reduction technology’’ means an advanced truck 
stop electrification system, auxiliary power unit, or 
other device or system of devices that— 
(A) is used to reduce long-duration idling of 
a heavy-duty vehicle; and 
(B) allows for the main drive engine or 
auxiliary refrigeration engine of a heavy-duty 
vehicle to be shut down.
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(6) LONG-DURATION IDLING.— 
(A) IN GENERAL.—The term ‘‘long-duration 
idling’’ means the operation of a main drive en-
gine or auxiliary refrigeration engine of a 
heavy-duty vehicle, for a period greater than 15 
consecutive minutes, at a time at which the 
main drive engine is not engaged in gear. 
(B) EXCLUSIONS.—The term ‘‘long-duration 
idling’’ does not include the operation of a main 
drive engine or auxiliary refrigeration engine of 
a heavy-duty vehicle during a routine stoppage 
associated with traffic movement or congestion. 
(b) IDLE REDUCTION TECHNOLOGY BENEFITS, PRO-
GRAMS, AND STUDIES.— 
(1) IN GENERAL.—Not later than 90 days after 
the date of enactment of this Act, the Administrator 
shall— 
(A)(i) commence a review of the mobile 
source air emission models of the Environmental 
Protection Agency used under the Clean Air Act 
(42 U.S.C. 7401 et seq.) to determine whether the 
models accurately reflect the emissions resulting 
from long-duration idling of heavy-duty vehicles 
and other vehicles and engines; and
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(ii) update those models as the Adminis-
trator determines to be appropriate; and 
(B)(i) commence a review of the emission 
reductions achieved by the use of idle reduction 
technology; and 
(ii) complete such revisions of the regula-
tions and guidance of the Environmental Protec-
tion Agency as the Administrator determines to 
be appropriate. 
(2) DEADLINE
FOR
COMPLETION.—Not later 
than 180 days after the date of enactment of this Act, 
the Administrator shall— 
(A) complete the reviews under subpara-
graphs (A)(i) and (B)(i) of paragraph (1); and 
(B) prepare and make publicly available 1 
or more reports on the results of the reviews. 
(3) DISCRETIONARY
INCLUSIONS.—The reviews 
under subparagraphs (A)(i) and (B)(i) of paragraph 
(1) and the reports under paragraph (2)(B) may ad-
dress the potential fuel savings resulting from use of 
idle reduction technology. 
(4) IDLE REDUCTION DEPLOYMENT PROGRAM.— 
(A) ESTABLISHMENT.— 
(i) IN GENERAL.—Not later than 90 
days after the date of enactment of this Act,
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the Administrator, in consultation with the 
Secretary of Transportation, shall establish 
a program to support deployment of idle re-
duction technology. 
(ii) 
PRIORITY.—The 
Administrator 
shall give priority to the deployment of idle 
reduction technology based on beneficial ef-
fects on air quality and ability to lessen the 
emission of criteria air pollutants. 
(B) FUNDING.— 
(i) AUTHORIZATION
OF
APPROPRIA-
TIONS.—There are authorized to be appro-
priated to the Administrator to carry out 
subparagraph (A)— 
(I) $19,500,000 for fiscal year 
2006; 
(II) $30,000,000 for fiscal year 
2007; and 
(III) $45,000,000 for fiscal year 
2008. 
(ii) COST SHARING.—Subject to clause 
(iii), the Administrator shall require at 
least 50 percent of the costs directly and 
specifically related to any project under this
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section to be provided from non-Federal 
sources. 
(iii) NECESSARY
AND
APPROPRIATE 
REDUCTIONS.—The Administrator may re-
duce the non-Federal requirement under 
clause (ii) if the Administrator determines 
that the reduction is necessary and appro-
priate to meet the objectives of this section. 
(5) IDLING LOCATION STUDY.— 
(A) IN GENERAL.—Not later than 90 days 
after the date of enactment of this Act, the Ad-
ministrator, in consultation with the Secretary 
of Transportation, shall commence a study to 
analyze all locations at which heavy-duty vehi-
cles stop for long-duration idling, including— 
(i) truck stops; 
(ii) rest areas; 
(iii) border crossings; 
(iv) ports; 
(v) transfer facilities; and 
(vi) private terminals. 
(B) DEADLINE
FOR
COMPLETION.—Not 
later than 180 days after the date of enactment 
of this Act, the Administrator shall—
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(i) complete the study under subpara-
graph (A); and 
(ii) prepare and make publicly avail-
able 1 or more reports of the results of the 
study. 
(c) VEHICLE WEIGHT EXEMPTION.—Section 127(a) of 
title 23, United States Code, is amended— 
(1) by designating the first through eleventh sen-
tences as paragraphs (1) through (11), respectively; 
and 
(2) by adding at the end the following: 
‘‘(12) HEAVY DUTY VEHICLES.— 
‘‘(A) IN
GENERAL.—Subject to subpara-
graphs (B) and (C), in order to promote reduc-
tion of fuel use and emissions because of engine 
idling, the maximum gross vehicle weight limit 
and the axle weight limit for any heavy-duty ve-
hicle equipped with an idle reduction technology 
shall be increased by a quantity necessary to 
compensate for the additional weight of the idle 
reduction system. 
‘‘(B) MAXIMUM
WEIGHT
INCREASE.—The 
weight increase under subparagraph (A) shall be 
not greater than 250 pounds.