E85 vs Gasoline: Fuel Economy, Cost Per Mile & Real Savings
Compare the real-world costs of E85 versus regular gasoline for your vehicle. Learn how to calculate cost per mile and determine if E85 saves you money.
Find E85 flex fuel stations throughout Illinois. Use the interactive map below to locate stations near you.
Excellent E85 coverage! Stations are widely available throughout the state.
Illinois ranks among the nation's E85 leaders with 313 public stations spanning from Chicago's suburbs to downstate farming communities. As the third-largest ethanol producing state, Illinois offers flex fuel drivers excellent infrastructure.
Illinois's 13 ethanol plants produce approximately 1.87 billion gallons annually, making Illinois the third-largest producer nationally after Iowa and Nebraska. ADM maintains its global headquarters in Chicago and North American operations in Decatur.
Key facilities include Marquis Energy in Hennepin (395+ MGY—the world's largest dry-grind ethanol facility), ADM Decatur (300+ MGY), ADM Peoria (250+ MGY), and One Earth Energy in Gibson City (130 MGY).
Illinois offers significant tax benefits: E85 is 100% exempt from state sales tax through December 2028. The Illinois Alternate Fuels Rebate Program provides up to $450 annually for FFV owners who use E85 at least half the time, plus up to $4,000 toward FFV purchases.
The Chicago metropolitan area provides strong coverage through Thorntons locations throughout the suburbs. Downstate coverage centers on Springfield, Peoria, Champaign-Urbana, Bloomington-Normal, and Decatur. Casey's General Stores operates 410+ Illinois locations.
Major interstate corridors are well-served: I-55, I-57, I-70, I-80, I-88, I-90, and I-94 all offer E85 access at regular intervals.
E85 typically sells $0.70-$1.00+ cheaper per gallon than regular gasoline. Prices near ethanol plants—Decatur, Pekin, Hennepin—often offer the best deals.
Chicago-area drivers should explore Thorntons locations for convenient suburban access. Casey's is the lifeline for rural downstate coverage. For best value, seek high-volume stations near ethanol production centers. Note that winter blends drop to approximately 70% ethanol content for cold-weather starting.
Compare the real-world costs of E85 versus regular gasoline for your vehicle. Learn how to calculate cost per mile and determine if E85 saves you money.
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Find E85 stations along your travel route. Perfect for road trips and long-distance travel.
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