Text 1875, 60 rader
Skriven 2006-06-06 11:48:00 av Robert E Starr JR (2321.babylon5)
Ärende: Re: Atheists: America's m
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Josh Hill a =E9crit :
> On Sun, 4 Jun 2006 12:46:43 +0000 (UTC), "ravend03x"
> <rkimd3@gmail.com> wrote:
>=20
>=20
>> I am still keen on pushing for the hydrogen fueled cars... I know I
>> will have to wait approx. 10 years to see it, though.  I am not aware
>> of many environmental problems regarding the production of hydrogen ga=
s
>> to fuel them either, unless someone has more info on the subject?
>=20
> "The cost of making hydrogen from wind is $1.12 to $3.20 per gallon of
> gasoline or diesel equivalent ($3 to $7.40 per kilogram of molecular
> hydrogen), on par with the current price of gas. But gasoline has a
> hidden cost of 29 cents to $ 1.80 per gallon in societal costs such as
> reduced health, lost productivity, hospitalization and death, as well
> as cleanup of polluted sites. So gasoline's true cost in March 2005,
> for example, was $2.35 to $3.99 per gallon, which exceeds the
> estimated mean cost of hydrogen from wind ($2.16 equivalent per gallon
> of gasoline)."
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> And hydrogen from wind is effectively non-polluting.
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> It can also be made inexpensively from biologically-produced ethanol,
> although some work would have to be done to purify the hydrogen that
> resulted sufficiently for use in the PEM fuel cells used in vehicles.
>=20
> OTOH, it's even cheaper to make hydrogen from fossil fuel --most of it
> is currently made from natural gas -- and unless we end up with an
> administration and congress that puts the planet before profit, I have
> a nasty feeling that that's what we'll end up doing, despite the fact
> that to a large degree they would simply be shifting the pollution
> from the car to the refinery.
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And then there is
http://www.azonano.com/news.asp?newsID=3D1589
solar hydrogen.

Even if Hydrogen is less than  perfect as a fuel because of it's light=20
weight and ease of escaping any confinement it can still be a very good=20
alternaive to fossil fuels, which should be conserved for high value=20
purposes and not burned straight.

--=20
Greetings, Salutations,
Guiraud Belissen, Ch=E2teau du Ciel, Drachenwald,
Chris CII, Rennes, France
                                                                               
     
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