Fuel specifications.

§ 86.113-04 Fuel specifications.

This section includes text that specifies requirements that differ from § 86.113–94. Where a paragraph in § 86.113–94 is identical and applicable to this section, this will be indicated by specifying the corresponding paragraph and the statement “[Reserved]. For guidance see § 86.113–94.”.

(a) Gasoline fuel. (1) Gasoline meeting the following specifications, or substantially equivalent specifications approved by the Administrator, must be used for exhaust and evaporative testing:

Table 1 to § 86.113–04—Test Fuel Specifications for Gasoline Without Ethanol

Item Regular Reference procedure 1
Research octane, Minimum 293ASTM D2699
Octane sensitivity 27.5ASTM D2700
Distillation Range ( °F):
Evaporated initial boiling point 375–95ASTM D86
10% evaporated120–135
50% evaporated200–230
90% evaporated300–325
Evaporated final boiling point415 Maximum
Total Aromatic Hydrocarbon (vol %)35% MaximumASTM D1319 or ASTM D5769
Olefins (vol %) 410% MaximumASTM D1319 or ASTM D6550
Lead, g/gallon (g/liter), Maximum0.050 (0.013)ASTM D3237
Phosphorous, g/gallon (g/liter), Maximum0.005 (0.0013)ASTM D3231
Total sulfur, wt. % 50.0015–0.008ASTM D2622
Dry Vapor Pressure Equivalent (DVPE), kPa (psi) 660.0–63.4 (8.7–9.2)ASTM D5191
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