W. Va. Code § 47-10-6a: Posting of the alcoholic content of gasoline.

Any retail distributor of gasoline who sells gasoline to which has been added any alcohol, whether methanol, ethanol or other form of alcohol, shall post upon or near every pump maintained for the delivery of gasoline to a consumer a prominent notice stating the name of the alcoholic additive and the percentage it comprises of the gasoline delivered through the pumps.