“ Just a moment here! Why "instead of PV cells"?? PV cells operate better at lower temperatures, right? Why not simply use such thermoelectrics as a... (read full comment) ” 

Posted on July 31, 2008 at 6:07 AM EDT

“ Let's have a reality check here. You point out that there is little shade at parking lots in FL. That is not only a problem in FL, but one that... (read full comment) ” 

Posted on July 31, 2008 at 5:35 AM EDT