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§1090.305 ULSD standards. RegSenseAir EmissionsCFR RegulationsEnvironmental Protection Agency (EPA)EnvironmentalAir QualityCFR SectionFocus AreaEnglishAir ProgramsUSA
(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.[85 FR 78469, Dec. 4, 2020]READ MORESHOW LESS['Air Programs']['Air Emissions']