Re: Top Tier Gasoline
Probably worth looking at the following reference:
http://www.epa.gov/otaq/rfg.htm Certain areas in Wisconsin require reformulated gasoline. If you are in the Milwaukee area, the gasoline almost certainly includes 10% ethanol (see http://www.epa.gov/otaq/regs/fuels/r...erf/mil-wi.htm ). Apparently there is at significant anti-ethanol sentiment in Wisconsin. There is actually a web site listing stations that sell Ethanol free gas ( http://www.molonyrealestate.com/Etha...Wisconsin.html ) .. The list did not include any "Road Ranger" or "Pilot" stations. As for differences in fuel mileage when using ethanol "enhanced" gasoline - at leaat in theory gasoline with 10% ethanol should have about 1.5% less energy than "pure" gasoline, but in practice the difference can be less. And at least for engines designed to tolerate gasoline with 10% ethanol, I think the difference in fuel economy is probably even less. However for older vehicles (particualrly carburetted vehicles) the difference in mileage can be much more significant. For people with recent vehciels (bult since 2000) I doubt the difference in fuel economy between straight gasoline and gasoline with 10% ethanol is detectable using typical calculation methods. With a dynamoter and careful measurements you could detect the difference, but for ordingary driving and calcualtions using pump fills, there are just too many factors to make an accurate determination feasible. "Bionic Man" <t.p.bernhardt@sbcglobal.net> wrote in message news:573cb714-c840-4149-8291-cfff9a5819b1@w19g2000yqk.googlegroups.com... > >> The "Top Tier" gas standard dictates the use of lots of ethanol. I >> refuse >> to use it for that reason. >> >> -- >> Tegger >> >> The Unofficial Honda/Acura FAQwww.tegger.com/hondafaq/ > > Tegger: > > As always, thanks for chiming in. > > You open up a whole other subject of great interest to me. Please > check on the accuracy of your statement. I respect your expertise, > but > I believe you are incorrect on this, at least in some cases. Shell > is > also Top Tier, and many stations sell the brand without ethanol. > > Here in Wisconsin, at some stations, they sell gas with and without > 10% ethanol. The pumps specifically state that fact. The Road > Ranger/ > Pilot station I referenced had "Top Tier" decals on ALL the pumps, > those with and without ethanol. > > By the way, they charge a little more for the fuel without ethanol, > and I'm glad to pay the extra price. I get much better gas mileage > with non-enthanol fuel. |
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