So all finished gasoline leaving a terminal is the same?Is there any difference in “top tier” 87e10, 89e10, 93e10, R90E0 and non-top tier formulations leaving the refinery and/or terminal? No. There is not.
So all finished gasoline leaving a terminal is the same?Is there any difference in “top tier” 87e10, 89e10, 93e10, R90E0 and non-top tier formulations leaving the refinery and/or terminal? No. There is not.
So all finished gasoline leaving a terminal is the same?
Top Tier is a minimum standard which is higher than the EPA's minimum standard. All gasoline blends/octane sold at a Top Tier station has to meet the TT minimum standard, but it does not mean some blends may not have more additives than the others.Is there any difference in “top tier” 87e10, 89e10, 93e10, R90E0 and non-top tier formulations leaving the refinery and/or terminal? No. There is not.
Top Tier is a minimum standard which is higher than the EPA's minimum standard. All gasoline blends/octane sold at a Top Tier station has to meet the TT minimum standard, but it does not mean some blends may not have more additives than the others.
Sorry if it sounded like I was preaching to the choir.I know exactly what top tier is. We have about 500 gas stations and sell north of a half a billion gallons of fuel.
It isn’t the fuel but the additive package. So the package is commonly added at the terminal before going into the tanker. A single terminal can load both types.I think there is only 1 refinery around here, in Richmond. So not sure how 1 station could sell gas that is that much different than another...
Sorry if it sounded like I was preaching to the choir.
In the Audi, which was DI only, I used Shell premium almost exclusively. With the Pilot, which is DI only also, I've been using mostly 87 octane, TT fuel from QT. When I changed the oil this weekend on the Pilot, the filter had quite a bit more carbon than I'd seen on the Audi's filters. Several have speculated it could be due to my using a different fuel.
@Foxtrot08 - I appreciate your knowledge and insight into this subject. What fuel do you use and why? Thank you.
I like your friend!Everything is a scam my friend says![]()
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Engines like the GenV small block have the injector angled towards the intake valves.It's unclear to me how top tier gas can keep DI valves clean. I wonder if that claim is from the marketing department.
How do you know its "well above". There marketing material simply says its "above"? The spec says it must test to " IVD is no more than 50 mg averaged over all intake valves."and it is well above the EPA minimum for detergency in fuel.
Other than the additive package and amount added to the truck it would be the same.So all finished gasoline leaving a terminal is the same?
Everything you said I have heard before and agree with.Mind you every terminal is different. However, when I buy say, from Marathon - refinery direct or at a terminal. It’s all the same.
Now, marathon is trading with Shell currently in the area. So I can pull under the Shell card for branded fuel. And their premium is different than marathon premium.
But, let’s say I pull from a terminal on a pipeline like… the buckeye. I can pull unbranded, or branded Mobil premium, branded BP premium, I can pull unbranded Husky, unbranded Citgo, unbranded BP, etc.
If you look at a dispenser, you’ll notice only the premiums generally have marketing behind them. And, they will have their own additive tanks there, sometimes, for the premium.
But otherwise, yes. It’s all the same. If I pull from Ergon. They’re barging it up the river anyways. It is all the same unbranded fuel. It absolutely goes to “top tier” stations.
Top tier is a marketing program. And it works. Notice the top tier+ is sponsored by Afton… I wonder why. (Chem point is Afton’s distributor.)
Yes, but those additives are certified by the EPA to meet the requirements. Changes in the base fuel would not significantly change the performance.Top tier only governs the additive package. You have to submit which fuel additive package you’re buying, to get approvals. You don’t even need to send samples anymore. Just if X fuel additive package, you get approval.
Everything you said I have heard before and agree with.
However how do you square the circle on TT being "IVD is no more than 50 mg averaged over all intake valves" and FERC being 100mg? This is the only part that remains a mystery to me? Do stations ad something on site (or are supposed to?)
No its added at the terminal to the truck. A truck going to non top tier station may have 100mL of additive added while the top tier may be 300-500mL.Everything you said I have heard before and agree with.
However how do you square the circle on TT being "IVD is no more than 50 mg averaged over all intake valves" and FERC being 100mg? This is the only part that remains a mystery to me? Do stations ad something on site (or are supposed to?)
Yes, but those additives are certified by the EPA to meet the requirements. Changes in the base fuel would not significantly change the performance.
Well above.. above. Semantics.How do you know its "well above". There marketing material simply says its "above"? The spec says it must test to " IVD is no more than 50 mg averaged over all intake valves."
The EPA current standard minimum is 100mg. So there is that, however the penalty for a supplier missing the 100mg standard is very, very severe, so I wonder how many run the absolute minimum? And I wonder how much gets you from 100 to 50?
Raw gas my understanding would give you in the 250mg range, for whatever that is worth.
The rest of the spec as best I can tell is pretty muchr FERC, and ASTM standards. As mentioned BP / Amoco also guarantees a higher level.
Honest question. I don't think its a scam, but I am unsure if its "all that" either?
A can of techron every now and then might be worth it either way.