You are here: U.S.: overview of gasoline quality specifications in PADD 2 statesPart 3: State gasoline quality regulations in PADD 2 states3.N: Tennessee
3.N: Tennessee
Tennessee has one conventional gasoline formulation. Fuel quality regulation is enforced by the state’s Department of Agriculture.
The state’s fuel quality regulations adopt ASTM International’s Standard Specification for Automotive Spark-Ignition Fuel as the state’s gasoline standard. More specifically, the version of the standard adopted is D4814-17.
Additionally, Tennessee’s state regulations establish:
    •A 1-psi (6.9 kPa) waiver during the summertime control period (June 1 to September 15) for blends up to E15, by way of reference to Clean Air Act waivers applicable via section 211(f) of the Act
    •Allowance of a 1-psi (6.9 kPa) waiver during the non-control period (September 16 to May 31) for gasoline-ethanol blends between E1 and E15 that meet ASTM volatility classes A, B, C
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3.N: Tennessee