Code of Federal Regulations · Section

§ 1090.305 — Ulsd Standards

40 C.F.R. § 1090.305

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(a) Overview. Except as specified in § 1090.300(a), diesel fuel must meet the ULSD per-gallon standards of this section.

(b) Sulfur standard. Maximum sulfur content of 15 ppm.

(c) Cetane index or aromatic content. Diesel fuel must meet one of the following standards:

(1) Minimum cetane index of 40.

(2) Maximum aromatic content of 35 volume percent.

40 C.F.R. § 1090.300 40 C.F.R. § 1090.310

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