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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter U - Air Pollution Controls |
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Part 1090 - Regulation of Fuels, Fuel Additives, and Regulated Blendstocks |
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Subpart D - Diesel Fuel and ECA Marine Fuel Standards |
§ 1090.305 - ULSD standards.
Latest version.
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§ 1090.305 ULSD standards.
(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.