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Old June 15th 05, 07:24 PM
Dave Lister
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Alan Baker > wrote in news:alangbaker-
:

> In article > ,
> Dave Lister > wrote:
>
>> Alan Baker > wrote in news:alangbaker-
>>
:
>>
>> > In article > ,
>> > Dave Lister > wrote:
>> >
>> >> Alan Baker > wrote in
>> >> :
>> >>
>> >> > In article > ,
>> >> > Dave Lister > wrote:
>> >> >
>> >> >>
(Matthew Russotto) wrote in
>> >> >> :
>> >> >>
>> >> >> > Let's see, in that category, we need
>> >> >> >
>> >> >> > 1) An efficient method of hydrogen production (not from

fossil
>> >> >> > fuels)
>> >> >>
>> >> >> Why? Coal would be a good short term source for the energy

needed.
>> >> >> Solar, nukes, wind and others longer term.
>> >> >>
>> >> >> > 2) An efficient method of transport
>> >> >>
>> >> >> That already exists for other gases including propane.
>> >> >>
>> >> >> > 3) Several efficient methods of storage (large scale and

small
>> >> >> > scale)
>> >> >>
>> >> >> Already there.
>> >> >>
>> >> >> > 4) An efficient and pollution-free means of using the

hydrogen
>> >> >>
>> >> >> Hydrogen by definition is pollution free at the users end.

Clearly
>> >> >> the production pollution depends on where we get the energy.
>> >> >
>> >> > No, it's not. But used as fuel for a fuel cell, it is.
>> >>
>> >> Yes, it is if burned properly.
>> >
>> > Describe this proper burning which doesn't produce any NOx...

>>
>>
http://www.newsroom.ucr.edu/cgi-bin/display.cgi?id=182
>
> Apparently you didn't read it:
>
> "'The formation of NOx also occurs when you burn gasoline,' explains
> Heffel. 'But in the case of hydrogen we have a wide flammability range
> and, therefore, the engine can be tuned to have a lower combustion
> temperature. This in turn results in lower NOx emissions.'"
>
> "Lower NOx emissions", not *no* NOx emissions.


Apparently you didn't read it, where it says that the emissions can be
reduced to the normal background level.



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