E85 was $1.88 today. 87 octane gas was $2.18 and premium was $2.39.
I was at 107580 miles, last tank was at 107290 miles, for 290 miles on this tank. I filled up with 17.919 gallons, for 16.18 miles per gallon.
I saved $8.09 by using E85 vs. premium, not considering the mileage penalty.