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Sunday, April 05, 2026

Fascinating math


Today, after purchasing around 23 gallons of E-85 fuel for our Chevy Suburban at Coop's Corner, I put my math skills to work. Here's what I came up with. At the current price of fuel, using E-85 in our Chevy Suburban is saving 5 cents a mile. The check I wrote at Coop's Corner would have been about $60 on the fuel needed for 300 miles of driving with E-10 (87 octane) fuel. Using the $2/gallon E-85, the tank cost $45. We see a loss in gas mileage with E-85, but the large difference in price for E-85 compared to E-10 is significant!

You can do the math yourself...5 cents per mile adds up fast.