> Maybe its because Ethanol is so scarce in California?
offisir, all this gin i have here in my lap is for the car, really it is!!
-james
----- Original Message -----
From: Giles Douglas <giles@vy.com>
To: Michael R. Clements <mrclem@telocity.com>
Cc: David Rowney <daver@uclink4.berkeley.edu>; <ba-autox@autox.team.net>
Sent: Monday, July 30, 2001 10:48 AM
Subject: RE: 91 octane gas
> Well, MTBE is bad because of the polution aspects. But if Ethanol
> increases the octane but lowers the energy in the gasoline, I'd have
> expected them to start selling 93 (I mean, anyway, most people buy the 87
> stuff, so we could shoulder the extra costs, right?)
>
> Maybe its because Ethanol is so scarce in California?
>
> Giles
>
> On Mon, 30 Jul 2001, Michael R. Clements wrote:
>
> > Date: Mon, 30 Jul 2001 10:33:43 -0700
> > From: "Michael R. Clements" <mrclem@telocity.com>
> > To: David Rowney <daver@uclink4.berkeley.edu>, ba-autox@autox.team.net
> > Subject: RE: 91 octane gas
> >
> > Thanks for the link!
> >
> > Why are they doing this only in California? The fact that it is specific
to
> > our home state makes me suspect some silly new laws or social
engineering
> > going on behind the scenes. . . yet they don't say _why_ they are doing
> > this.
> >
> > On the surface it would seem counterproductive, as all else being equal
> > (though it usually is) 3.5% less fuel economy would mean roughly 3.5%
more
> > pollution. Their own tests confirm this:
> >
> > http://www.chevron.com/prodserv/fuels/bulletin/oxy%2Dfuel/cfuelecn.shtml
> >
> > Why oh why would somebody who wants to make air cleaner, require
gasoline
> > formulations with lower fuel economy? Perhaps the pollution generated is
> > chemically different as to be less harmful to the environment? But
doesn't
> > the car's EFI compensate and simply run a richer mixture? That would
seem to
> > undermine the entire purpose of the oxygenated fuel.
> >
> > -----Original Message-----
> > From: owner-ba-autox@autox.team.net
> > [mailto:owner-ba-autox@autox.team.net]On Behalf Of David Rowney
> > Sent: Monday, July 30, 2001 09:58
> > To: ba-autox@autox.team.net
> > Subject: Re: 91 octane gas
> >
> >
> > Ethanol increases octane, but lowers the energy content of the gasoline
> > blend.
> >
> > See:
> > http://www.chevron.com/prodserv/fuels/bulletin/oxy%2Dfuel/enrgycon.shtml
> >
> > Chevron is going to 91 octane also in California.
> >
> > Dave
> >
> > At 09:17 PM 7/29/2001 -0400, you wrote:
> > >I only noticed 91 at 76 stations for a few weeks now. Ever since I have
> > been
> > >going only to Chevron.
> > >
> > >I thought I heard somewhere that because they are adding more ethanol,
it
> > >lowers the octane rating. Someone care to comment?
> > >
> > >Elton
> > >SM #68
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