Oregon Revised Statutes Trade Regulations and Practices § 646.915

(1) A retail dealer or nonretail dealer of gasoline who knowingly sells or offers for sale gasoline that is blended with ethanol, methanol, co-solvent, alcohol or other oxygenates in quantities greater than 1.5 mass percent shall be identified as “with,” “containing” or other similar language indicating the oxygenate contributing the largest mass percentage to the blend in the gasoline. When mixtures of only ethers are present, the retail dealer or nonretail dealer shall post the predominant oxygenate followed by the phrase “or other ethers.” Gasoline-methanol blends containing more than 0.15 mass percent oxygen from methanol shall be identified as “with” or “containing” methanol.

(2) The disclosure required by this section shall be posted on the upper 50 percent of the dispensing device front panel in a position clear and conspicuous from the driver's position in type at least one-half inch in height and one-sixteenth inch in width.

(3) In any county, city or other political subdivision designated as a carbon monoxide nonattainment area pursuant to the provisions of subchapter I of the Clean Air Act Amendments of 1990 (Public Law 101-549), and in which the sale of oxygenated gasoline is required by section 211(m) of the Clean Air Act Amendments of 1990, 42 U.S.C. 7545(m), any retail dealer of gasoline who sells or dispenses a petroleum product that contains at least one percent, by volume, ethanol, methanol or other oxygenate, shall be required to post only such label or notice as may be required pursuant to 42 U.S.C. 7545(m)(4) or any amendments thereto or successor provision thereof.