Doug Fields:

>Awhile back we were discussing whether or not a photovoltaic module
>returns more energy than it took to manufacture.  I posed the question
>to the PV Users list and it initiated a discussion that is still going.
>I found this recent posting especially interesting and hope at least a
>few ecopathers do, also.  A bibliography on this topic follows.

Excellent post. Thanks for making the effort.

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