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You build eco friendly car

  1. Dec 22, 2011 #1


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    Gold Member

    what would you put into your eco friendly car.
  2. jcsd
  3. Dec 22, 2011 #2

    Nowt as eco friendly as lightness.

    I suppose it depends on what 'eco friendly' means and what metrics are being used to measure it.
  4. Dec 23, 2011 #3
    a bicycle?
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