On 12 May 2006 12:00:24 -0700, "M" wrote:

Lower octane autogas is quite common in mountain states where the
elevation is high. Non turbo-charged car engines have a bigger
denotation margin at higher elevation and require less octane.

So that's why "super" mogas in Florida is 93 octane but only
92 octane in the Seattle area. Thanks everyone for the replies
(usenet is good for something besides arguing about politics
afterall!).

Bela P. Havasreti