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Posted by Jim on October 12, 2007, 4:44 pm
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>
>
> David Williams wrote:
>
>> -> Fuel cells are expensive because they contain expensive 'ingredients'
>> such a
>> -> platinum. Mass production hasn't made catalytic converters for cars
>> especial
>> -> cheap has it ?
>>
>> -> Graham
>>
>> The platinum isn't consumed. It can be recycled.
>
> In another energy intensive process.
People simply do not understand what is involved in some of these
schemes they propagate. Extracting platinum from the ceramic catalysts is a
prime example. I have years of experience with this and it is done more for
appearances sake than anything else....
>
> Graham
>
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