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Governors of seven Midwest states have petitioned the EPA to evaluate reintroducing regulations to dispense E15 blend in all seasons.

 A decision of the D.C. Circuit Court previously overturned a 2019 regulation allowing year-round sale of E15.  In accordance with the Clean Air Act, the maximum inclusion of ethanol in gasoline is 10 percent from June 1st through summer. Mandating blends at or below10 percent ethanol restricts sales representing the “blend ceiling”. 

Eight contiguous states consume 13 billion gallons of gasoline annually and increasing the proportion of ethanol would expand consumption by 700 million gallons representing 225 million bushels of corn as calculated by the Renewable Fuels Association.