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Old 03-18-2010, 08:38 PM   #10 (permalink)
rmay635703
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Join Date: Jun 2008
Location: Somewhere in WI
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Silver - '10 Chevy Cobalt XFE
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Quote:
Originally Posted by MadisonMPG View Post
Is it E10 89 or 100% gas 89?
87/89 octane is all e10 around here, a couple stations carry 100% gas on their 93 octane.

I buy both grades out of the same pump at Renew energies stations that sell e10/20/85.

Cheers
Ryan
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