Quote:
Originally Posted by buffa98
Well in my suburban running 100% gas I get 13 around town, Running 10% Ethanol it drps to 9.9-10.5. This is the kid carrying, soccer gamegoing, double bass and cello transporting beast. The wife does the same trips all the time so I have hard proof that MY mpgs drop 2.5 to 3 running e10.
There is one gas station that has pure gas near me most of the other time she fills at WaWa.(Chas will understand)
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If 10% ethanol added zero heat energy to the fuel we could expect your mileage to drop 10%. Your mileage dropped considerably more. So some other factors are involved in your decreased mileage. Your mileage MAY have decreased but not entirely due to the addition of 10% ethanol.