Gas Stations > Illinois > O Fallon Gas Stations > Gas Mart #23
Gas Mart #23
320 West State Street
O Fallon, IL 62269
County: Saint Clair
Phone: (618)632-8344
Resources
Tools and tips for getting the most MPG out of your vehicle.
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Gas Savings Tips
Inflating your tires, watching your speed and checking your route are a few examples of how you can save gas. [More coming soon!]
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Gas Price Averages
Charts and prices for the nation. All data is collected from the U.S. Department of Energy.
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Alternative Fuel
Learn about the various sources of fuel that can be used for motor vehicles.