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Premium Gas

Discussion in 'Gen 3 Prius Fuel Economy' started by eightiesdude, Aug 21, 2014.

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  1. wjtracy

    wjtracy Senior Member

    Joined:
    Sep 19, 2006
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    Location:
    Northern VA (NoVA)
    Vehicle:
    Other Hybrid
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    .
    Generally no because premium would tend to be made higher energy content stuff which is directionally more emissions, so in US we have reformulated gasoline premium which is cleaner burning mandated in 30% of US. However all bets are off as you may have what we say is inadequate detergent additives in your other grade so the super could be cleaning you out...but most likely what you see is unrelated to fuel.
     
    #121 wjtracy, Oct 10, 2014
    GrumpyCabbie likes this.
  2. GregP507

    GregP507 Senior Member

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    Vehicle:
    2012 Prius Plug-in
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    Plug-in Base
    Ah yes, the mythology persists. I invite you to look up the impartial research on this subject and please disregard all the marketing claims, either stated or implied.
     
    #122 GregP507, Oct 10, 2014
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