Tank # 29

No CEL on the last tank, and I went 260 miles before the gas light went on.


Gallons E85: 4.017 @ $1.739/ gallon
Gallons of 87 octane gas: 9.213 @ $2.039/ gallon


ethanol content of tank: 33.76%
octane of tank: 92.42


savings per tank compared to premium at $2.539/ gallon: $7.82

Tank # 28

No check engine lights and I got 280 miles on the last tank.  4 gallons of E85 is the sweet spot.  Car is running great.


gallons of E85: 4.006 @ $1.759/ gallon


gallons of 87 octane: 9.829 @ $2.159/ gallon


ethanol content of tank: 33.10%


octane of tank: 92.27


savings per tank compared to premium @ $2.659/ gallon: $8.52

Tank #27

No CEL's on the last tank.  4 gallons of E85 per tank is the sweet spot.


Gallons E85: 4.026 @ $1.799/ gallon
Gallons of 87 octane gasoline: 9.360 @ $2.099/ gallon


ethanol content of tank: 34.30%
octane of tank: 92.538


savings per tank compared to premium @ $2.599: $7.90