I believe this is one of the R&D products out of the US Army Natick Soldier Center (NSC) - here is the original press release - which doesn't emphasize urine, as the media did. (BTW, will the media ever get past the "potty-stage" of development? Though I must say I'm still chuckling at bountyhunter's post above...)

The NSC has lots of cool technology on their website that would likely be of interest to Equipped members - here are the fact sheets on their gear...