CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS (Parts 50–99) > PART 86—CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND ENGINES > SUBPART C—Emission Regulations for 1994 and Later Model Year Gasoline-Fueled New Light-Duty Vehicles, New Light-Duty Trucks and New Medium-Duty Passenger Vehicles; Cold Temperature Test Procedu > 86.213-94—Fuel specifications.

86.213-94—Fuel specifications.

Gasoline having the following specifications will be used by the Administrator. Gasoline having the specifications set forth in the table in this section, or substantially equivalent specifications approved by the Administrator, may be used by the manufacturer except that the octane specification does not apply. In lieu of using gasoline having these specifications, the manufacturer may, for certification testing, use gasoline having the specifications specified in § 86.113-90 provided the cold CO emissions are not decreased. Documentation showing that cold CO emissions are not decreased shall be maintained by the manufacturer and shall be made available to the Administrator upon request.
Table—Cold CO Fuel Specifications
Item ASTM test Cold CO low octane value or range Cold CO high octane 1 value or range
(RON MON)/2, min D2699 87.8±.3 92.3±0.5
Sensitivity, min D2699 7.5 7.5
Distillation range:
IBP, °F D86 76-96 76-96
10% point, °F D86 98-118 105-125
50% point, °F D86 179-214 195-225
90% point, °F D86 316-346 316-346
EP, max, °F D86 413 413
Sulfur, wt. % D3120 0.035±0.015 0.020±0.015
Phosphorous, g/U.S gal, max D3231 0.005 0.005
Lead, g/gal, max 0.01 0.01
RVP, psi D4953 11.5±.3 11.5±.3
Hydrocarbon composition D1319
Olefins, vol. pct 12.5±5.0 10.0±5.0
Aromatics, vol. pct 26.4±4.0 32.0±4.0
Saturates Remainder Remainder
1 Gasoline having these specifications may be used for vehicles which are designed for the use of high-octane premium fuel.