Best type of gas for Prime?

Discussion in 'Prime Main Forum (2017-Current)' started by Yukyae, Apr 15, 2017.

  1. LadyFarrier

    LadyFarrier New Member

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    Actually, I used to work at an oil refinery. We had two refineries (Phillips 66, where I worked and Valero which was about 45 min drive away from us) that sent fuel down in the same pipes to the same holding tanks for the rack (where trucks load fuel to deliver to fuel stations). So the fuel can be mixed with other refineries processed fuel. Many batches will be mixed in the same hide holding tanks as well. Also, the medium octane is mixed at the rack when trucks load up to deliver...taking low octane and high octane to make a medium octane. So again, different batches blended together to make the octane desired. Where the difference is, is the additives that each station/company requests. That's generally added at the rack as well. Some will ask for additives and some won't. And they have different additives to choose from according to what a company may specify or have created especially for them.
     
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  2. Mendel Leisk

    Mendel Leisk 'Orrible Oracle

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    You can see a strong hint of that, at Shell stations here, there was a sign listing the ethanol percent, was as follows:

    Regular: 10% ethanol
    Mid-Grade: 5% ethanol
    High-Grade: ethanol-free

    I believe in the States they're all 10% though.
     
  3. Rob43

    Rob43 Senior Member

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    If your fuel has 10% ethanol in it & your gas sits in your tank for longer periods of time based on incredible gas mileage...

    Give great consideration to products like Sta-Bil 360 (#22264), a 10 oz bottle cost about $4.50 on Amazon & will last for about 5 tank fulls at ~2 oz per fill up.
    • Use for Storage and will keep fuel fresh for up to 12 months
    • Use at every fill-up
    • Ultimate protection against Ethanol blended fuels and Non-Ethanol Fuels
    • Help prevent corrosion above and below the fuel line, where no other additive can!
    • Helps clean the fuel system to improve performance
    • Help increase power and fuel efficiency
    • For all gasoline engines, including 2-Cycle
    • Use in your vehicles, motorcycles, small engines, generators

    Rob43
     
    #83 Rob43, Apr 22, 2018
    Last edited: Apr 22, 2018
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  4. Since2002

    Since2002 Senior Lurker

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    It is very rare to hear this key point mentioned, probably because so few people are aware of it. So many times you will hear someone say "My uncle knows someone who worked at a storage terminal and they told him that all of the trucks fill up from the same spout, so it doesn't matter what station you go to it's all the same gas". Being completely ignorant of the fact that the trucks get different additive packages depending on the brand.

    I used to hear a long time ago that some gas stations used no additives, but I think it was about twenty years ago that the EPA mandated the use of additives, and also the additives must meet a minimum requirement for reducing fuel injector and intake valve deposits. However there is still a difference as the cheaper stations are possibly using additive packages that only meet the minimum standard, whereas the major brands will use additives that exceed the minimum or even reach Top Tier level. Although you can't always go by price, here in Atlanta we have QuikTrip which is a discount gasoline chain located in twelve metro regions, mainly in the midwest and south, QuikTrip was one of the first first Top Tier certified gasolines in the country. And a few years ago Costco received Top Tier certification.
     
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  5. bb4srv

    bb4srv Member

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    I can easily go 6-9 months on a single tank of gas based on my travel pattern and accessibility to charging stations but I don't like stale gas in my tank. Possibly cause more problems in the future if old gas is in the tank for too long of period. So my strategy is:

    1) fill with highest octane available, and add-in fuel stabilizer
    2) I set a reminder on my iphone every 3 months to start burning off the fuel, using HV-Power mode in B gear.
    3) warm up the ICE periodically:
    a) during cold weather for heat
    b) warm up ICE before entering freeway on HV
    c) warm up ICE before depleting battery into HV mode
     
  6. bisco

    bisco cookie crumbler

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    i thought prime was immune to stale fuel problems.(n)
     
  7. john1701a

    john1701a Prius Guru

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    That's gross overkill. Just don't fill the tank full and use some gas from time to time.
     
  8. bb4srv

    bb4srv Member

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  9. bisco

    bisco cookie crumbler

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    the pip manual says to use it up every 6 months. has worked for 6 years so far.
     
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  10. wjtracy

    wjtracy Senior Member

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    I think we have to go by Prime owners manual and any country-specific recommendations in there.
    We can also read the other PHEV manuals (Volt/etc.) to see if there is any second opinion among manufacturers.

    Then we as consumers are free to add additives like Stabil at our own risk and preference.

    Gaso tanks today go to great lengths to exclude air and water exposure, as well as prevent evap losses. So that is why Prime or PiP are mostly immune from the problems you might (and probably will) see in a lawnmower or gas can in the garage.

    bisco you are getting for your PiP EPA refomulated gasoline (clean) with additives, and you are probably getting Top Tier Gas with extra level of additives. So you have a certain high level of clean, E10 fuel.

    I do not know what John uses but probably not EPA reformulated gaso in his region.

    The Prime in Canada is in a whole different gaso recipe regime. In that case, higher octane probably means more additives and if Premium is used it might be E0.
     
  11. El Dobro

    El Dobro A Member

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    This is for the Volt fuel tank, but I'm sure the Prime and PiP tanks operate in a similar manner.
     
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  12. bisco

    bisco cookie crumbler

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    that is much more informative than pip.
     
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