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German automotive companies launch “clean-diesel” marketing campaign in US

Discussion in 'Diesels' started by cwerdna, Dec 13, 2012.

  1. cwerdna

    cwerdna Senior Member

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    Green Car Congress: German automotive companies launch “clean-diesel” marketing campaign in US

    A moderator on MyNissanLeaf posted the above. It's interesting that a diesel fanboy (who some have labeled as a troll for other reasons there) started a random "Yes "clean diesel" really is clean..." thread over about a week ago. Hmmm...
    ​

     
    #1 cwerdna, Dec 13, 2012
  2. wxman

    wxman Active Member

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    I wasn't able to find the thread on MyNissanLeaf about clean diesel, but are you implying that you don't think "clean diesel" is really "clean"?
     
    #2 wxman, Dec 13, 2012
  3. JimboPalmer

    JimboPalmer Tsar of all the Rushers

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    #3 JimboPalmer, Dec 13, 2012
  4. wxman

    wxman Active Member

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    In my opinion, you need to take all emissions into account, not just what comes out of the tailpipe, i.e., well-to-wheels comparisons.
     
    #4 wxman, Dec 13, 2012
  5. usbseawolf2000

    usbseawolf2000 HSD PhD

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    #5 usbseawolf2000, Dec 13, 2012
  6. wxman

    wxman Active Member

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    #6 wxman, Dec 13, 2012
  7. usbseawolf2000

    usbseawolf2000 HSD PhD

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    Here is a comparison from EPA. 379 g/mi (TDI) and 443 g/mi (PZEV). EPA numbers include CO2 equivalent of the other gases.

    The difference is due to 34 MPG diesel vs. 25 MPG gas. 140hp 4 cylinders diesel vs. 170hp 5 cylinders gas.
     
    #7 usbseawolf2000, Dec 14, 2012
  8. usbseawolf2000

    usbseawolf2000 HSD PhD

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    #8 usbseawolf2000, Dec 14, 2012
  9. usnavystgc

    usnavystgc Die Hard DIYer and Ebike enthusiast.

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    The problem with this concept is that diesel is $.90 a gallon more expensive than regular here. These car companies should look at that. I know I do and it totally turns me off of diesel.
     
    #9 usnavystgc, Dec 14, 2012
  10. wxman

    wxman Active Member

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    I used the WTW GHG results of GREET1_2012 of the MT versions of each vehicle. Using the AT versions, GREET1_2012 gives 449 g/mi (PZEV) and 384 g/mi (TDI).

    Not sure what EPA is using, but the relative difference appears to be about the same.
     
    #10 wxman, Dec 14, 2012
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