U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 40Chapter IPart 1090Subpart C - Subpart C—Gasoline Standards
§ 1090.200 - Overview and general requirements.
§ 1090.205 - Sulfur standards.
§ 1090.210 - Benzene standards.
§ 1090.215 - Gasoline RVP standards.
§ 1090.220 - RFG standards.
§ 1090.225 - Anti-dumping standards.
§ 1090.230 - Limitation on use of gasoline-ethanol blends.
§ 1090.250 - Certified butane standards.
§ 1090.255 - Certified pentane standards.
§ 1090.260 - Gasoline deposit control standards.
§ 1090.265 - Gasoline additive standards.
§ 1090.270 - Gasoline oxygenate standards.
§ 1090.275 - Ethanol denaturant standards.
§ 1090.285 - RFG covered areas.
§ 1090.290 - Changes to RFG covered areas and procedures for opting out of RFG.
§ 1090.295 - Procedures for relaxing the federal 7.8 psi RVP standard.
§ 1090.297 - Procedures for reinstating the 1.0 psi RVP allowance for E10.
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