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I like to read the consumption chart as an inverted altitude graph

Discussion in 'Gen 2 Prius Fuel Economy' started by Nelflez, Jun 8, 2023.

  1. Nelflez

    Nelflez New Member

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    [​IMG]
    Kinda off topic but I do a lot of mountain driving and so I learned to read the consumption chart as if it's an altitude chart, where higher MPG represents a decline in altitude and vise versa lol. Disclaimer: (Doesn't work if you like to race down mountains)
     
    #1 Nelflez, Jun 8, 2023
    bisco likes this.
  2. Nelflez

    Nelflez New Member

    Joined:
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    2006 Prius
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    #2 Nelflez, Jun 8, 2023
  3. fuzzy1

    fuzzy1 Senior Member

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    Excluding downhill glides, I get my best MPG on high altitude plains and plateaus. The air drag there is significantly less than at sea level, saving fuel. On traditional non-hybrids, the reduced engine pumping adds additional MPG improvement, though hybrids reclaim a good portion of this through other means (see "Atkinson-cycle engine') without getting to high altitude.

    The climb up to those high altitudes does have some MPG cost. The benefit doesn't show up until the road levels out.
     
    #3 fuzzy1, Jun 9, 2023
    ydpplqbd likes this.
  4. Jafar G

    Jafar G New Member

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    Hello, Did you find something on this, I second what you're looking for.
     
    #4 Jafar G, Oct 15, 2023
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