[Code of Federal Regulations]
[Title 40, Volume 17]
[Revised as of July 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR86.091-23]

[Page 155-158]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 86_CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND 
ENGINES--Table of Contents
 
Subpart A_General Provisions for Emission Regulations for 1977 and Later 
 
Sec. 86.091-23  Required data.

    (a) The manufacturer shall perform the tests required by the 
applicable test procedures, and submit to the Administrator the 
following information: Provided, however, That if requested by the 
manufacturer, the Administrator may waive any requirement of this 
section for testing of vehicle (or engine) for which emission data are 
available or will be made available under the provisions of Sec. 
86.091-29.
    (b)(1)(i) Exhaust emission durability data on such light-duty 
vehicles tested in accordance with applicable test procedures and in 
such numbers as specified, which will show the performance of the 
systems installed on or incorporated in the vehicle for extended 
mileage, as well as a record of all pertinent maintenance performed on 
the test vehicles.
    (ii) Exhaust emission deterioration factors for light-duty trucks 
and heavy-duty engines, and all test data that are derived from the 
testing described under Sec. 86.091-21(b)(4)(iii)(A), as well as a 
record of all pertinent maintenance. Such testing shall be designed and 
conducted in accordance with good engineering practice to assure that 
the engines covered by a certificate issued under Sec. 86.091-30 will 
meet the emission standards (or family emission limits, as appropriate) 
in Sec. 86.091-9, Sec. 86.091-10, or Sec. 86.091-11 as appropriate, 
in actual use for the useful life of the engine.
    (2) For light-duty vehicles and light-duty trucks, evaporative 
emission deterioration factors for each evaporative emission family-
evaporative emission control system combination and all test data that 
are derived from testing described under Sec. 86.091-21(b)(4)(i) 
designed and conducted in accordance with good engineering practice to 
assure that the vehicles covered by a certificate issued under Sec. 
86.091-30 will meet the evaporative emission standards in Sec. 86.091-8 
or Sec. 86.091-9, as appropriate, for the useful life of the vehicle.
    (3) For heavy-duty vehicles equipped with gasoline-fueled or 
methanol-fueled engines, evaporative emission deterioration factors for 
each evaporative emission family-evaporative emission control system 
combination identified in accordance with Sec. 86.091-21(b)(4)(ii). 
Furthermore, a statement that the test procedure(s) used to derive the 
deterioration factors includes, but need not be limited to, a 
consideration of the ambient effects of ozone and temperature 
fluctuations, and the service accumulation effects of vibration, time, 
and vapor saturation and purge cycling. The deterioration factor test 
procedure shall be designed and conducted in accordance with good 
engineering practice to assure that the vehicles covered by a 
certificate issued

[[Page 156]]

under Sec. 86.091-30 will meet the evaporative emission standards in 
Sec. 86.091-10 and Sec. 86.091-11 in actual use for the useful life of 
the engine. Furthermore, a statement that a description of the test 
procedure, as well as all data, analyses and evaluations, is available 
to the Administrator upon request.
    (4)(i) For heavy-duty vehicles with a Gross Vehicle Weight Rating of 
up to 26,000 lbs and equipped with gasoline-fueled or methanol-fueled 
engines, a written statement to the Administrator certifying that the 
manufacturer's vehicles meet the standards of Sec. 86.091-10 or Sec. 
86.091-11 (as applicable) as determined by the provisions of Sec. 
86.091-28. Furthermore, a written statement to the Administrator that 
all data, analyses, test procedures, evaluations, and other documents, 
on which the above statement is based, are available to the 
Administrator upon request.
    (ii) For heavy-duty vehicles with a Gross Vehicle Weight Rating of 
greater than 26,000 lbs and equipped with gasoline-fueled or methanol-
fueled engines, a written statement to the Administrator certifying that 
the manufacturer's evaporative emission control systems are designed, 
using good engineering practice, to meet the standards of Sec. 86.091-
10 or Sec. 86.091-11 (as applicable) as determined by the provisions of 
Sec. 86.09l-28. Furthermore, a written statement to the Administrator 
that all data, analyses, test procedures, evaluations, and other 
documents, on which the above statement is based, are available to the 
Administrator upon request.
    (c) Emission data. (1) Emission data, including in the case of 
methanol fuel, methanol, formaldehyde and total hydrocarbon equivalent 
on such vehicles tested in accordance with applicable test procedures 
and in such numbers as specified. These data shall include zero-mile 
data, if generated and emission data generated for certification as 
required under Sec. 86.090-26(a)(3)(i) or Sec. 86.090-26(a)(3)(ii). In 
lieu of providing emission data on idle CO emissions, smoke emissions or 
particulate emissions from methanol-fueled diesel certification vehicles 
the Administrator may, on request of the manufacturer, allow the 
manufacturer to demonstrate (on the basis of previous emission tests, 
development tests, or other information) that the engine will conform 
with the applicable emission standards of Sec. 86.090-8 or Sec. 
86.090-9.
    (2) Certification engines. (i) Emission data on such engines tested 
in accordance with applicable emission test procedures of this subpart 
and in such numbers as specified. These data shall include zero-hour 
data, if generated, and emission data generated for certification as 
required under Sec. 86.090-26(c)(4). In lieu of providing emission data 
on idle CO emissions or particulate emissions from methanol-fueled 
diesel certification engines, or on CO emissions from petroleum-fueled 
or methanol-fueled diesel certification engines the Administrator may, 
on request of the manufacturer, allow the manufacturer to demonstrate 
(on the basis of previous emission tests, development tests, or other 
information) that the engine will conform with the applicable emission 
standards of Sec. 86.091-11.
    (ii) For heavy-duty diesel engines, a manufacturer may submit hot-
start data only, in accordance with subpart N of this part, when making 
application for certification. However, for conformity SEA and recall 
testing by the Agency, both the cold-start and hot-start test data, as 
specified in subpart N of this part, will be included in the official 
results.
    (d) A statement that the vehicles (or engines) for which 
certification is requested conform to the requirements in Sec. 86.084-
5(b), and that the descriptions of tests performed to ascertain 
compliance with the general standards in Sec. 86.084-5(b), and the data 
derived from such tests, are available to the Administrator upon 
request.
    (e)(1) A statement that the test vehicles (or test engines) with 
respect to which data are submitted to demonstrate compliance with the 
applicable standards (or family emission limits, as appropriate) of this 
subpart are in all material respects as described in the manufacturer's 
application for certification, have been tested in accordance with the 
applicable test procedures utilizing the fuels and equipment described 
in the application for certification and that on the basis of such

[[Page 157]]

tests the vehicles (or engines) conform to the requirements of this 
part. If such statements cannot be made with respect to any vehicle (or 
engine) tested, the vehicle (or engine) shall be identified, and all 
pertinent data relating thereto shall be supplied to the Administrator. 
If, on the basis of the data supplied and any additional data as 
required by the Administrator, the Administrator determines that the 
test vehicles (or test engine) was not as described in the application 
for certification or was not tested in accordance with the applicable 
test procedures utilizing the fuels and equipment as described in the 
application for certification, the Administrator may make the 
determination that the vehicle (or engine) does not meet the applicable 
standards (or family emission limits, as appropriate). The provisions of 
Sec. 86.091-30(b) shall then be followed.
    (2) For evaporative emission durability, or light-duty truck or 
heavy-duty engine exhaust emission durability, a statement of compliance 
with paragraph (b)(1)(ii), (b)(2), or (b)(3) of this section, as 
applicable.
    (f) Additionally, manufacturers participating in the particulate 
averaging program for diesel light-duty vehicles and diesel light-duty 
trucks shall submit:
    (1) In the application for certification, a statement that the 
vehicles for which certification is requested will not, to the best of 
the manufacturer's belief, when included in the manufacturer's 
production-weighted average emission level, cause the applicable 
particulate standard(s) to be exceeded.
    (2) No longer than 90 days after the end of a given model year of 
production of engine families included in one of the diesel particulate 
averaging programs, the number of vehicles produced in each engine 
family at each certified particulate FEL, along with the resulting 
production-weighted average particulate emission level.
    (g) Additionally, manufacturers participating in the NOX 
averaging program for light-duty trucks shall submit:
    (1) In the application for certification, a statement that the 
vehicles for which certification is required will not, to the best of 
the manufacturer's belief, when included in the manufacturer's 
production-weighted average emission level, cause the applicable 
NOX standard(s) to be exceeded.
    (2) No longer than 90 days after the end of a given model year of 
production of engine families included in the NOX averaging 
program, the number of vehicles produced in each engine family at each 
certified NOX emission level.
    (h) Additionally, manufacturers participating in any of the 
NOX and/or particulate averaging, trading, or banking 
programs for heavy-duty engines shall submit for each participating 
family:
    (1) In the application for certification:
    (i) A statement that the engines for which certification is 
requested will not, to the best of the manufacturer's belief, when 
included in any of the averaging, trading, or banking programs cause the 
applicable NOX or particulate standard(s) to be exceeded.
    (ii) The type (NOX or particulate) and the projected 
number of credits generated/needed for this family, the applicable 
averaging set, the projected U.S. (49-state) production volumes, by 
quarter, NCPs in use on a similar family and the values required to 
calculate credits as given in Sec. 86.091-15. Manufacturers shall also 
submit how and where credit surpluses are to be dispersed and how and 
through what means credit deficits are to be met, as explained in Sec. 
86.091-15. The application must project that each engine family will be 
in compliance with the applicable NOX and/or particulate 
emission standards based on the engine mass emissions, and credits from 
averaging, trading and banking.
    (3) End-of-year reports for each engine family participating in any 
of the averaging, trading, or banking programs.
    (i) These reports shall be submitted within 90 days of the end of 
the model year to: Director, Manufacturers Operations Division (EN-
340F), U.S. Environmental Protection Agency, 1200 Pennsylvania Ave., 
NW., Washington, DC 20460.
    (ii) These reports shall indicate the engine family, the averaging 
set, the actual U.S. (49-state) production volume, the values required 
to calculate

[[Page 158]]

credits as given in Sec. 86.091-15, the resulting type (NOX 
or particulate) and number of credits generated/required, and the NCPs 
in use on a similar NCP family. Manufacturers shall also submit how and 
where credit surpluses were dispersed (or are to be banked) and how and 
through what means credit deficits were met. Copies of contracts related 
to credit trading must also be included or supplied by the broker if 
applicable. The report shall also include a calculation of credit 
balances to show that net mass emissions balances are within those 
allowed by the emission standards (equal to or greater than a zero 
credit balance). The credit discount factor described in 86.091-15 must 
be included as required.
    (iii) The 49-state production counts for end-of-year reports shall 
be based on the location of the first point of retail sale (e.g., 
customer, dealer, secondary manufacturer) by the manufacturer.
    (iv) Errors discovered by EPA or the manufacturer in the end-of-year 
report, including errors in credit calculation, may be corrected up to 
90 days subsequent to submission of the end-of-year report. Errors 
discovered by EPA after 90 days shall be corrected if credits are 
reduced. Errors in the manufacturer's favor will not be corrected if 
discovered after the 90 day correction period allowed.
    (i) Failure by a manufacturer participating in the averaging, 
trading, or banking programs to submit any quarterly or end-of-year 
report (as applicable) in the specified time for all vehicles and 
engines that are part of an averaging set is a violation of section 
203(a)(1) of the Clean Air Act for each such vehicle and engine.
    (j) Failure by a manufacturer generating credits for deposit only in 
either the HDE NOX or particulate banking programs to submit 
their end-of-year reports in the applicable specified time period (i.e., 
90 days after the end of the model year) shall result in the credits not 
being available for use until such reports are received and reviewed by 
EPA. Use of projected credits pending EPA review will not be permitted 
in these circumstances.
    (k) Engine families certified using NCPs are not required to meet 
the requirements outlined above.

(Secs. 202, 203, 206, 207, 208, 301a, Clean Air Act, as amended; 42 
U.S.C. 7521, 7522, 7525, 7541, 7542, 7601a)

[50 FR 10659, Mar. 15, 1985, as amended at 50 FR 29384, July 19, 1985; 
54 FR 14473, Apr. 11, 1989; 55 FR 30625, July 26, 1990; 56 FR 64711, 
Dec. 12, 1991]