Excellent post Damocles:.
From what I understand of the direct solar to hydrogen fabrication technology it is a much greener process, and cheaper that silicon based PVs. ( Hydrogen Solar home
http://www.hydrogensolar.com/index.html )
And the nano-dot approach to PVs also promises full spectrum conversion efficiencies along with clean production processes. ( UB News Services-solar nano-dots
http://www.buffalo.edu/news/fast-exe...ticle=75000009 )
Jennfinn:
There are many Tesla groups working , but a Google Scholar
http://scholar.google.com/ on them makes me dought their viability.
