Okla. Stat. tit. 17, § 17-347.1: Retail facilities not required to post information on

fuel activities – Label required for aircraft fuel with alcohol.

Except as otherwise provided in this section, retail facilities

that sell motor fuel shall not be required to post information

regarding fuel additives on the motor fuel dispenser or anywhere

else on the premises of the facilities. Motor fuel sold at regional

or smaller airports in the state for fueling aircraft shall be

labeled with the percent of alcohol, if any, in the fuel. The

Corporation Commission shall promulgate rules consistent with the

provisions of this section.