---- Mike Miller <mwmiller6@ATT.NET> wrote:
> The cash-credit difference in CA is about 4-10 cents/gal.
>
> The difference in price between grades is usually 10 cents/gal. My brother in
> law who worked for Shell for a bazillion years tells us that the difference in
> cost to make it is about 5 cents/gal, low to high. Mid grade is just a blend 3
> parts low to 2 parts high.

years ago (mid-seventies) conoco stations had a dial on the pump to select the ratio of "regulaR to "premium" fuel.  i think i remember that one could select in 5% increments.  the price varied accordingly.

mcneely
>
> Just what I heard.
>
> Mike
>
>
>
> ________________________________
> From: Evan Mac Donald <evanm@ATT.NET>
> To: vanagon@GERRY.VANAGON.COM
> Sent: Sun, February 5, 2012 8:41:17 AM
> Subject: Re: Gas Brand Preferences?
>
> Be careful to consider geographical influences. There are no Arco stations near
> me, in Detroit, Michigan. There are also no Chevron stations. Personally, I
> use almost exclusively, the gas from my local Sam's Club in all four of my
> vehicles. I have never had a fuel related issue from them. Their source,
> directly, is unknown to me, but again, there is only one refinery, in the
> southern U.S., that actually creates the eight-carbon based fuel we all use. It
> is all about the additives, and how many brokers it passes thru, before it ends
> up in your tank.
>
> The difference in per-gallon price, credit vs. cash, though, does still show up
> around here. Some have the outrageous difference of a dime per gallon difference
>
> (!), but most are a nickel, or so. The individual station seems to be where it
> comes up, rather than a particular brand.
>  Evan Mac Donald
>
>
> "...in the absence of facts, myth rushes in, the kudzu of history."
> -Stacy Schiff
>
>
>
>
> ________________________________
> From: Loren Busch <starwagen@GMAIL.COM>
> To: vanagon@GERRY.VANAGON.COM
> Sent: Sun, February 5, 2012 11:16:55 AM
> Subject: Gas Brand Preferences?
>
> I see, in several responses to my posting about Arco's 35 cent surcharge on
> gas purchases, that virtually everyone expresses a preference for Chevron
> gasoline.  That includes me.  But is there any objective data to support a
> superiority of Chevron gas?  Curious minds wonder.

--
David McNeely