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Detached Member
Join Date: May 2003
Location: southern California
Posts: 26,964
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Until I wadded it up last week, my 97 Mazda 626 for about 7 years got consistently 18/19 mpg running ARCO, (E85) then I switched to Chevron which has no ethanol and it consistently went up to 21/22 mpg. A difference of about 10%. If ARCO is more than 10% price difference than Chevron, it probably doesn't make a difference in $/mile, otherwise go with the Chevron.
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Hugh
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