Iowa motorists prefer ethanol-blended fuels by a vast majority. The Iowa Renewable Fuels Association estimates 83 percent of all the fuel sold in the state currently is E-10, the mixture of 90 percent gas and 10 percent ethanol that is priced cheapest at the pump. But a consistent minority of buyers want regular gasoline without added ethanol for various reasons. And a switch by Magellan Midstream Partners, operators of Iowa’s largest pipeline system, will make that a more difficult or more expensive option by mid-September. Magellan has notified Iowa retailers that the 87 octane unleaded regular gasoline, which is the most popular alternative to ethanol-blended fuels, won’t be sent through the pipeline after September 15.
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