w1891 - 6/24/2026 13:42 There is a RIN market for that very reason. Those gallons have to buy an offset to meet the RFS. It also why small refiners exemptions are fought against so hard. Edit: With the build out done, it is true that there would be ethanol production above the level needed for the oxygenate rules but don’t kid yourself that ethanol use would keep the blend level static. Oil companies make more when they control the production/sale start to finish and they can very easily change how they crack the crude.