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Re: E-M:/ Green car trade-offs



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Enviro-Mich message from "William Tobler" <WilliamTobler@CrittersWoods.org>
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It appears that you have to be an ACS member or subscriber to access this
story.


----- Original Message ----- 
From: "John Rebers" <jrebers@nmu.edu>
To: <enviro-mich@great-lakes.net>
Sent: Friday, November 14, 2003 1:03 PM
Subject: E-M:/ Green car trade-offs


> -------------------------------------------------------------------------
> Enviro-Mich message from John Rebers <jrebers@nmu.edu>
> -------------------------------------------------------------------------
>
> Since Michigan is a major automobile producer, the article below analyzing
> the complexities of producing greener cars seems relevant to Enviro-Mich.
> The full article is presently available on-line at
> http://pubs.acs.org/cgi-bin/asap.cgi/esthag/asap/pdf/es034574q.pdf
> However, once this issue of the journal Environmental Science and
> Technology is printed, the on-line access may no longer be available - so
> download soon if interested.
>
> John Rebers
>
>
>---------------------------------------------------------------------------
> >ENVIRONMENTAL ENGINEERING: No Fast Route to Greener Cars
>
>---------------------------------------------------------------------------
Phil
> >  D. Szuromi
> >
> >
> >The environmental impact of cars is immense, primarily due to the
emissions
> >as they are driven rather than their manufacture, but given our
dependence
> >on and preference for light-duty vehicles, can they at least be made
> >"greener?" MacLean and Lave point out several of the challenges to
creating
> >a greener automobile fleet. One is the increasing demand, at least in the
> >United States, for larger and less fuel-efficient sport utility vehicles,
> >and a second is the unwillingness to pay a premium for greener cars. A
> >further challenge is conflicting societal goals--for example, using
> >fuel-injected diesel engines would save fuel but clash with strict
> >emissions controls, and making light yet crashworthy cars would be
> >expensive. A final obstacle is that the costs and benefits of materials,
> >processes, and consequences can be difficult to quantify. Nevertheless,
> >their analysis of different fueling and power plant options (diesel,
> >ethanol, battery power, gas-electric hybrids, and hydrogen fuel cells)
> >shows that no one of these options scored highly on all of the potential
> >measures of greenness. -- PDS
> >
> >
> >Environ. Sci. Technol. 10.1021/es034574q (2003).
>
>
> John E. Rebers
> Department of Biology
> Northern Michigan University
> 1401 Presque Isle Avenue
> Marquette, MI  49855
>
> jrebers@nmu.edu
> 906-227-1585; 906-227-1063 (FAX)
>
>
>
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