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      11-18-2012, 04:25 AM   #42

Drives: m3
Join Date: Oct 2012
Location: CA

Posts: 220
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Originally Posted by Rshane View Post
Doesn't sound like an octane problem but, an Ethenol problem. Octane won't affect your mileage much however, Ethenol will. Ethenol has a much lower energy rating, meaning it takes more to make the same power.
All gas, save a few stations in a handful of states uses 10 percent ethanol so this is not an ethanol problem