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The continuing discussion about weight of cars

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  • Eric Bruun
    Gabriel is correct that minivans have a below average fatality rate, but that is no doubt because most of them both comply with the Motor Vehicle Code and can
    Message 1 of 1 , May 11, 2005
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      Gabriel is correct that minivans have a below average fatality rate, but that is no doubt because most of them
      both comply with the Motor Vehicle Code and can compete better in  relative mommentum in accidents with heavy vehicles.
      Eric Bruun

      -----Original Message-----
      From: Eric Britton
      Sent: May 11, 2005 10:49 AM
      To: NewMobilityCafe@yahoogroups.com
      Subject: [NewMobilityCafe] Kyoto Cities Challenge The United States and global warming: a tale of two countries

      Note: This discussion has been moved over from the Kyoto Cities Forum to the New Mobility Café. Both are visible via the http://kyotocities.org site via the Working Groups Forum link on http://ecoplan.org left menu.



      From: Gabriel Roth [mailto:roths@...]
      Sent: Wednesday, May 11, 2005 4:20 PM


      Dear Lloyd -


      Agreed that many factors affect the risks of

      death on the roads, but this does not affect the

      proposition that, having regard to all factors,

      light cars are more dangerous for their occupants

      than heavy ones.


      I am not sure that the Hakim articles you cited

      are relevant to the fuel economy question. They

      show that travel in SUVs carries above-average

      risk, while travel in "vans" carries

      below-average risks. I've not studied this but

      doubt if "vans" are lighter than SUVs.






      >Dear all,


      >I do not think the safety issue based on vehicle weight is nearly as clear-cut

      >as the previous message asserts.  The heaviest vehicles, in fact, do not have

      >the lowest fatality rates.  Although weight is certainly one factor, so are

      >dimensions, materials, and design, as indicated by the Honda study.  The high

      >roll-over rate of SUVs, due to their high ground clearance, has certainly

      >negated much of their weight advantages (although newer models have to an

      >extent mitigated this problem).  Further, driver behaviour is also a major

      >factor.  SUV owners, as well as sports car owners, tend to display higher risk

      >behaviour.  It is possible that driving a larger vehicle can create a moral

      >hazard in the sense that the drivers feel safer and thus take on additional



      >Below are related excerpts from two articles.


      >Best regards,


      >Lloyd Wright

      >Gakushin Fellow

      >Osaka University


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