40 CFR 86.113-94 - Fuel specifications.

§ 86.113-94 Fuel specifications.
(a) Gasoline fuel.
(1) Gasoline having the following specifications will be used by the Administrator in exhaust and evaporative emission testing of petroleum-fueled Otto-cycle vehicles. Gasoline having the following specification or substantially equivalent specifications approved by the Administrator, shall be used by the manufacturer in exhaust and evaporative testing except that octane specifications do not apply;
Item ASTM testmethod No. Value
1 Maximum.
2 For testing at altitudes above 1,219 m (4,000 ft), the specified range is 75°-105 °F (23.9°-40.6 °C).
3 For testing which is unrelated to evaporative emission control, the specified range is 8.0-9.2 psi (55.2-63.4 kPa).
4 For testing at altitudes above 1,219 m (4,000 ft), the specified range is 7.6-8.0 psi (52-55 kPa).
5 Remainder.
Octane, Research, Min D2699 93
Sensitivity, Min 7.5
Lead (organic):
g/U.S. gal. (g/liter) D3237 1 0.050 1 (0.013)
Distillation Range:
IBP:2 °F (°C) D86 75-95(23.9-35)
10 pct. point: °F (°C) D86 120-135(48.9-57.2)
50 pct. point: °F (°C) D86 200-230(93.3-110)
90 pct. point: °F (°C) D86 300-325
(148.9-162.8):
EP, max: °F (°C) D86 415(212.8)
Sulfur, weight pct. max D1266 0.10
Phosphorus, max. g/U.S. gal. (g/liter) D3231 0.005(0.0013)
RVP, 3,4 psi (kPa) D3231 8.7-9.2(60.0-63.4)
Hydrocarbon composition:
Olefins, max. pct D1319 10
Aromatics, max. pct D1319 35
Saturates D1319 (5)
(2)
(i) Unleaded gasoline representative of commercial gasoline which will be generally available through retail outlets shall be used in service accumulation. Leaded gasoline will not be used in service accumulation.
(ii) The octane rating of the gasoline used shall be no higher than 1.0 Research octane number above the minimum recommended by the manufacturer and have a minimum sensitivity of 7.5 octane numbers, where sensitivity is defined as the Research octane number minus the Motor octane number.
(iii) The Reid Vapor Pressure of the gasoline used shall be characteristic of the motor fuel used during the season in which the service accumulation takes place.
(3) The specification range of the gasoline to be used under this paragraph (a) shall be reported in accordance with § 86.094-21(b)(3) or § 86.1844-01 as applicable.
(b) Petroleum diesel test fuel.
(1) The petroleum fuels employed for testing diesel vehicles shall be clean and bright, with pour and cloud points adequate for operability. The petroleum diesel fuel may contain nonmetallic additives as follows: Cetane improver, metal deactivator, antioxidant, dehazer, antirust, pour depressant, dye, dispersant and biocide. Fuels specified for emissions testing are intended to be representative of commercially available in-use fuels.
(2) Petroleum fuel for diesel vehicles meeting the following specifications, or substantially equivalent specifications approved by the Administrator, shall be used in exhaust emission testing. The grade of petroleum diesel fuel recommended by the engine manufacturer, commercially designated as “Type 2-D” grade diesel, shall be used:
Item ASTM test method No. Type 2-D
[1] Remainder.
Cetane number D 613 40-50
Cetane index D 976 40-50
Distillation range:
IBP °F D 86 340-400
(°C) (171.1-204.4)
10 pct. point °F D 86 400-460
(°C) (204.4-237.8)
50 pct. point °F D 86 470-540
(°C) (243.3-282.2)
90 pct. point °F D 86 560-630
(°C) (293.3-332.2)
EP °F D 86 610-690
(°C) (321.1-365.6)
Gravity °API D 287 32-37
Total sulfur pct. D 2622 0.03-0.05
Hydrocarbon composition:
Aromatics, minimum pct. D 1319 27
Paraffins, Naphthenes, Olefins D 1319 1
Flashpoint, min. °F D 93 130
(°C) (54.4)
Viscosity centistokes D 445 2.0-3.2
(3) Petroleum fuel for diesel vehicles meeting the following specifications, or substantially equivalent specifications approved by the Administrator, shall be used in service accumulation. The grade of petroleum diesel fuel recommended by the engine manufacturer, commercially designated as “Type 2-D” grade diesel fuel, shall be used:
Item ASTM test method No. Type 2-D
Cetane Number D613 38-58
Cetane Index D976 min. 40
Distillation range:
90 pct. point °F D86 540-630
(°C) (282.2-343.3)
Gravity °API D287 30-39
Total sulfur pct. D2622 0.03-0.05
Flashpoint, min. °F D93 130
(°C) (54.4)
Viscosity centistokes D445 1.5-4.5
(4) Other petroleum distillate fuels may be used for testing and service accumulation provided:
(i) They are commercially available; and
(ii) Information, acceptable to the Administrator, is provided to show that only the designated fuel would be used in customer service; and
(iii) Use of a fuel listed under paragraphs (b)(2) and (b)(3) of this section would have a detrimental effect on emissions or durability; and
(iv) Written approval from the Administrator of the fuel specifications is provided prior to the start of testing.
(5) The specification range of the fuels to be used under paragraphs (b)(2), (b)(3) and (b)(4) of this section shall be reported in accordance with § 86.094-21(b)(3) or § 86.1844-01 as applicable.
(c) Methanol fuel.
(1) Methanol fuel used for exhaust and evaporative emission testing and in service accumulation shall be representative of commercially available methanol fuel and shall consist of at least 50 percent methanol by volume.
(i) Manufacturers shall recommend the methanol fuel to be used for testing and service accumulation.
(ii) The Administrator shall determine the methanol fuel to be used for testing and service accumulation.
(2) Other methanol fuels may be used for testing and service accumulation provided:
(i) They are commercially available; and
(ii) Information, acceptable to the Administrator, is provided to show that only the designated fuel would be used in customer service; and
(iii) Use of a fuel listed under paragraph (c)(1) of this section would have a detrimental effect on emissions or durability; and
(iv) Written approval from the Administrator of the fuel specifications must be provided prior to the start of testing.
(3) The specification range of the fuels to be used under paragraphs (c)(1) and (c)(2) of this section shall be reported in accordance with § 86.094-21(b)(3) or § 86.1844-01 as applicable.
(d) Mixtures of petroleum and methanol fuels for flexible fuel vehicles.
(1) Mixtures of petroleum and methanol fuels used for exhaust and evaporative emission testing and service accumulation for flexible fuel vehicles shall consist of the appropriate petroleum fuels listed in either paragraph (a) or paragraph (b) of this section and a methanol fuel representative of the fuel expected to be found in use, as specified in paragraph (c) of this section, and shall be within the range of fuel mixtures for which the vehicle was designed, as reported in § 86.94-21(j) or § 86.1844-01 as applicable. The Administrator may use any fuel or fuel mixture within this range for testing.
(2) The fuel mixtures used by the manufacturers shall be sufficient to demonstrate compliance over the full design range, and shall include:
(i) For emission testing:
(A) The petroleum fuel specified in paragraph (a) or (b) of this section;
(B) A methanol fuel representative of the methanol fuel expected to the found in use, as specified in paragraph (c) of this section;
(C) A combination of the fuels specified in paragraphs (d)(2)(i)(A) and (d)(2)(i)(B) of this section at a composition which represents the highest Reid Vapor Pressure of in-use mixtures. This mixture shall contain between 9-13 percent methanol by volume.
(ii) For service accumulation, the fuels specified in paragraphs (a) and (c) of this section or, for diesel FFVs, paragraphs (b) and (c) of this section shall be used alternately. The fuels shall be alternated at mileage intervals not to exceed 5,000 miles. The fuels shall be alternated such that the cumulative volumes of both the methanol fuel and the petroleum fuel used shall be at least 25 percent of the total fuel volume.
(iii) Or, other combinations for testing or service accumulation which demonstrate compliance with the standards over the entire design range of the vehicle, provided that written approval is obtained from the Administrator prior to the start of testing.
(3) The specification range of the fuels to be used under this paragraph shall be reported in accordance with § 86.094-21(b)(3) or § 86.1844-01 as applicable.
(e) Natural gas fuel.
(1) Natural gas fuel having the following specifications will be used by the Administrator for exhaust and evaporative emission testing of natural gas-fueled vehicles:
Item ASTM testmethod No. Value
1 The natural gas at ambient conditions must have a distinctive odor potent enough for its presence to be detected down to a concentration in air of not over 1/5 (one-fifth) of the lower limit of flammability.
Methane min. mole pct. D1945 89.0
Ethane max. mole pct. D1945 4.5
C3 and higher max. mole pct. D1945 2.3
C6 and higher max. mole pct. D1945 0.2
Oxygen max. mole pct. D1945 0.6
Inert gases:
Sum of CO2 and N2 max. mole pct. D1945 4.0
Odorant 1
(2) Natural gas representative of commercially available natural gas fuel which will be generally available through retail outlets shall be used in service accumulation for natural gas- fueled vehicles.
(3) Other natural gas fuels may be used for testing and service accumulation provided:
(i) They are commercially available; and
(ii) Information acceptable to the Administrator is provided to show that only the designated fuel would be used in customer service; and
(iii) Written approval from the Administrator of the fuel specifications must be provided prior to the start of testing.
(4) The specification range of the fuels to be used under paragraphs (e)(1), (e)(2) and (e)(3) of this section shall be reported in accordance with § 86.094-21(b)(3) or § 86.1844-01 as applicable.
(f) Liquefied petroleum gas fuel.
(1) Liquefied petroleum gas fuel used for exhaust and evaporative emission testing and in service accumulation shall be commercially available liquefied petroleum gas fuel.
(i) Manufacturers shall recommend the liquefied petroleum gas fuel to be used for testing and service accumulation.
(ii) The Administrator shall determine the liquefied petroleum gas fuel to be used for testing and service accumulation.
(2) Other liquefied petroleum gas fuels may be used for testing and service accumulation provided:
(i) They are commercially available; and
(ii) Information, acceptable to the Administrator, is provided to show that only the designated fuel would be used in customer service; and
(iii) Written approval from the Administrator of the fuel specifications must be provided prior to the start of testing.
(3) The specification range of the fuel to be used under paragraphs (f)(1) and (f)(2) of this section shall be measured in accordance with ASTM D2163-61 (Incorporated by reference; see § 86.1) and reported in accordance with § 86.094-21(b)(3) or § 86.1844-01 as applicable.
(g) Fuels not meeting the specifications set forth in this section may be used only with the advance approval of the Administrator.
[59 FR 48506, Sept. 21, 1994, as amended at 60 FR 34342, June 30, 1995; 62 FR 47120, Sept. 5, 1997; 63 FR 24448, May 4, 1998; 64 FR 23921, May 4, 1999; 65 FR 8277, Feb. 18, 2000]

Title 40 published on 2013-07-01

no entries appear in the Federal Register after this date.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code
U.S. Code: Title 42 - THE PUBLIC HEALTH AND WELFARE

§ 7401 - Congressional findings and declaration of purpose

§ 7402 - Cooperative activities

§ 7403 - Research, investigation, training, and other activities

§ 7404 - Research relating to fuels and vehicles

§ 7405 - Grants for support of air pollution planning and control programs

§ 7406 - Interstate air quality agencies; program cost limitations

§ 7407 - Air quality control regions

§ 7408 - Air quality criteria and control techniques

§ 7409 - National primary and secondary ambient air quality standards

§ 7410 - State implementation plans for national primary and secondary ambient air quality standards

§ 7411 - Standards of performance for new stationary sources

§ 7412 - Hazardous air pollutants

§ 7413 - Federal enforcement

§ 7414 - Recordkeeping, inspections, monitoring, and entry

§ 7415 - International air pollution

§ 7416 - Retention of State authority

§ 7417 - Advisory committees

§ 7418 - Control of pollution from Federal facilities

§ 7419 - Primary nonferrous smelter orders

§ 7420 - Noncompliance penalty

§ 7421 - Consultation

§ 7422 - Listing of certain unregulated pollutants

§ 7423 - Stack heights

§ 7424 - Assurance of adequacy of State plans

§ 7425 - Measures to prevent economic disruption or unemployment

§ 7426 - Interstate pollution abatement

§ 7427 - Public notification

§ 7428 - State boards

§ 7429 - Solid waste combustion

§ 7430 - Emission factors

§ 7431 - Land use authority

§ 7450 to 7459 - Repealed.

§ 7470 - Congressional declaration of purpose

§ 7471 - Plan requirements

§ 7472 - Initial classifications

§ 7473 - Increments and ceilings

§ 7474 - Area redesignation

§ 7475 - Preconstruction requirements

§ 7476 - Other pollutants

§ 7477 - Enforcement

§ 7478 - Period before plan approval

§ 7479 - Definitions

§ 7491 - Visibility protection for Federal class I areas

§ 7492 - Visibility

§ 7501 - Definitions

§ 7502 - Nonattainment plan provisions in general

§ 7503 - Permit requirements

§ 7504 - Planning procedures

§ 7505 - Environmental Protection Agency grants

§ 7505a - Maintenance plans

§ 7506 - Limitations on certain Federal assistance

§ 7506a - Interstate transport commissions

§ 7507 - New motor vehicle emission standards in nonattainment areas

§ 7508 - Guidance documents

§ 7509 - Sanctions and consequences of failure to attain

§ 7509a - International border areas

§ 7511 - Classifications and attainment dates

§ 7511a - Plan submissions and requirements

§ 7511b - Federal ozone measures

§ 7511c - Control of interstate ozone air pollution

§ 7511d - Enforcement for Severe and Extreme ozone nonattainment areas for failure to attain

§ 7511e - Transitional areas

§ 7511f - NO

§ 7512 - Classification and attainment dates

§ 7512a - Plan submissions and requirements

§ 7513 - Classifications and attainment dates

§ 7513a - Plan provisions and schedules for plan submissions

§ 7513b - Issuance of RACM and BACM guidance

§ 7514 - Plan submission deadlines

§ 7514a - Attainment dates

§ 7515 - General savings clause

§ 7521 - Emission standards for new motor vehicles or new motor vehicle engines

§ 7522 - Prohibited acts

§ 7523 - Actions to restrain violations

§ 7524 - Civil penalties

§ 7525 - Motor vehicle and motor vehicle engine compliance testing and certification

§ 7541 - Compliance by vehicles and engines in actual use

§ 7542 - Information collection

§ 7543 - State standards

§ 7544 - State grants

§ 7545 - Regulation of fuels

§ 7546 - Renewable fuel

§ 7547 - Nonroad engines and vehicles

§ 7548 - Study of particulate emissions from motor vehicles

§ 7549 - High altitude performance adjustments

§ 7550 - Definitions

§ 7551 - Omitted

§ 7552 - Motor vehicle compliance program fees

§ 7553 - Prohibition on production of engines requiring leaded gasoline

§ 7554 - Urban bus standards

§ 7571 - Establishment of standards

§ 7572 - Enforcement of standards

§ 7573 - State standards and controls

§ 7574 - Definitions

§ 7581 - Definitions

§ 7582 - Requirements applicable to clean-fuel vehicles

§ 7583 - Standards for light-duty clean-fuel vehicles

§ 7584 - Administration and enforcement as per California standards

§ 7585 - Standards for heavy-duty clean-fuel vehicles (GVWR above 8,500 up to 26,000 lbs.)

§ 7586 - Centrally fueled fleets

§ 7587 - Vehicle conversions

§ 7588 - Federal agency fleets

§ 7589 - California pilot test program

§ 7590 - General provisions

§ 7601 - Administration

§ 7602 - Definitions

§ 7603 - Emergency powers

§ 7604 - Citizen suits

§ 7605 - Representation in litigation

§ 7606 - Federal procurement

§ 7607 - Administrative proceedings and judicial review

§ 7608 - Mandatory licensing

§ 7609 - Policy review

§ 7610 - Other authority

§ 7611 - Records and audit

§ 7612 - Economic impact analyses

§ 7613 - Repealed.

§ 7614 - Labor standards

§ 7615 - Separability

§ 7616 - Sewage treatment grants

§ 7617 - Economic impact assessment

§ 7618 - Repealed.

§ 7619 - Air quality monitoring

§ 7620 - Standardized air quality modeling

§ 7621 - Employment effects

§ 7622 - Employee protection

§ 7623 - Repealed.

§ 7624 - Cost of vapor recovery equipment

§ 7625 - Vapor recovery for small business marketers of petroleum products

42 U.S. Code § 7625–1 - Exemptions for certain territories

§ 7625a - Statutory construction

§ 7626 - Authorization of appropriations

§ 7627 - Air pollution from Outer Continental Shelf activities

§ 7628 - Demonstration grant program for local governments

§ 7641 - Noise abatement

§ 7642 - Authorization of appropriations

§ 7651 - Findings and purposes

§ 7651a - Definitions

§ 7651b - Sulfur dioxide allowance program for existing and new units

§ 7651c - Phase I sulfur dioxide requirements

§ 7651d - Phase II sulfur dioxide requirements

§ 7651e - Allowances for States with emissions rates at or below 0.80 lbs/mmBtu

§ 7651f - Nitrogen oxides emission reduction program

§ 7651g - Permits and compliance plans

§ 7651h - Repowered sources

§ 7651i - Election for additional sources

§ 7651j - Excess emissions penalty

§ 7651k - Monitoring, reporting, and recordkeeping requirements

42 U.S. Code § -

§ 7651m - Enforcement

§ 7651n - Clean coal technology regulatory incentives

42 U.S. Code § -

§ 7661 - Definitions

§ 7661a - Permit programs

§ 7661b - Permit applications

§ 7661c - Permit requirements and conditions

§ 7661d - Notification to Administrator and contiguous States

§ 7661e - Other authorities

§ 7661f - Small business stationary source technical and environmental compliance assistance program

§ 7671 - Definitions

§ 7671a - Listing of class I and class II substances

§ 7671b - Monitoring and reporting requirements

§ 7671c - Phase-out of production and consumption of class I substances

§ 7671d - Phase-out of production and consumption of class II substances

§ 7671e - Accelerated schedule

§ 7671f - Exchange authority

§ 7671g - National recycling and emission reduction program

§ 7671h - Servicing of motor vehicle air conditioners

§ 7671i - Nonessential products containing chlorofluorocarbons

§ 7671j - Labeling

§ 7671k - Safe alternatives policy

42 U.S. Code § -

§ 7671m - Relationship to other laws

§ 7671n - Authority of Administrator

42 U.S. Code § -

§ 7671p - International cooperation

§ 7671q - Miscellaneous provisions