E15 Fuel Blend Offers Drivers Significant Savings as Congress Weighs Year-Round Sales

E15, a gasoline blend containing 15 percent ethanol and also marketed as Unleaded 88, is being promoted as a lower-cost option as U.S. fuel prices remain elevated. Growth Energy says E15 costs motorists about 30 cents less per gallon than standard E10 on average, with savings exceeding $1 in some markets, and is available at more than 5,100 stations across 35 states. The blend is approved for passenger cars and light-duty trucks from model year 2001 onward, covering more than 96 percent of vehicles on the road. Supporters are urging Congress to make E15 sales legal year-round nationwide; bipartisan legislation has passed the House and awaits Senate action. Advocates say permanent access could provide consumers greater price stability, support rural economies, and reduce certain air pollutants.
E15 is also marketed as Unleaded 88 (UNL88), a name that reflects the octane boost provided by ethanol, and it is already sold by dozens of major retail chains.
The EPA took regulatory and short-term actions beginning in 2019 to keep E15 available during periods when seasonal rules would otherwise have limited its sale, helping maintain access during recent summers.
Growth Energy CEO Emily Skor said E15 can offer “better performance and bigger savings” and help shield drivers from volatility in global fuel markets.
The proposed year-round policy would update decades-old fuel-sale rules, giving fuel retailers and drivers more regulatory certainty rather than relying on temporary summer measures.
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