§ 86.1771-99 - Fuel specifications.

(a) The provisions of §86.113 apply to this subpart, with the following exceptions and additions.

(1) For light-duty vehicles and light light-duty trucks, gasoline having the specifications listed below may be used in exhaust emission testing as an option to the specifications in §86.113(a)(1). If a manufacturer elects to utilize this option, exhaust emission testing shall be conducted by the manufacturer with gasoline having the specifications listed in the table in this paragraph (a)(1), and the Administrator shall conduct exhaust emission testing with gasoline having the specifications listed in the table in this paragraph (a)(1). Specifications for non-gasoline fuels and all fuel property test methods are contained in Chapter 4 of the California Regulatory Requirements Applicable to the National Low Emission Vehicle Program (October, 1996). These requirements are incorporated by reference (see §86.1). The table follows:

Fuel property	Limit
Octane, (R+M)/2 (min)	91.
Sensitivity (min)	7.5.
Lead, g/gal (max) (No lead added)	0-0.01
Distillation Range, °F
10 pct. point,	130-150.
50 pct. point,	200-210.
90 pct. point,	290-300.
EP, maximum	390.
Residue, vol % (max)	2.0.
Sulfur, ppm by wt.	30-40.
Phosphorous, g/gal (max)	0.005.
RVP, psi	6.7-7.0.
Olefins, vol %	4.0-6.0.
Total Aromatic Hydrocarbons (vol %)	22-25.
Benzene, vol %	0.8-1.0.
Multi-Substituted Alkyl Aromatic Hydrocarbons, vol %	12-14.
MTBE, vol %	10.8-11.2.
Additives	See Chapter 4 of the California Regulatory Requirements Applicable to the National Low Emission Vehicle Program (October, 1996). These procedures are incorporated by reference (see §86.1).
Copper Corrosion	No. 1.
Gum, Washed, mg/100 ml (max)	3.0.
Oxidation Stability, minutes (min)	1,000.
Specific Gravity	No limit; report to purchaser required.
Heat of Combustion	No limit; report to purchaser required.
Carbon, wt %	No limit; report to purchaser required.
Hydrogen, wt %	No limit; report to purchaser required.

(2) [Reserved]

(b) [Reserved]

[62 FR 31242, June 6, 1997. Redesignated at 63 FR 987, Jan. 7, 1998]