>I just spoke to a fuel tech at Chevron.  I was put in touch with him by
>the local distributor, who is a client of mine.  The fuel tech tells me
>that the octane difference from state to state is not an elevation issue.

Well then I guess that is the end of that issue. There is certainly no way
that he could be wrong. I guess everything I have learned has been a waste
of time.

Thanks,

John