Miata Mailing List: December 1993, Message #188
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   From: bruce@lurch.Data-IO.COM
Subject: Re: Texaco - Ethanol vs. MBTE
   Date: Tue, 21 Dec 1993 16:23:23 -0500


> Your gas milage will drop slightly because your oxygen sensor on the engine
> will get a slightly false reading and enrichen the mixture.

Slightly?  Slightly?   On the first tank of this stuff, I ran out of gas
at 320 miles.  I was going by the odometer rather than the fuel gauge,
and figured I had fifty more miles.  My mileage went from about 30 mpg
to about 25 mpg.