http://en.wikipedia.org/wiki/Photosynthetic_efficiency http://en.wikipedia.org/wiki/Photosynthetic_efficiency vs 10% to 30%+ for solar cells (depending on techn

http://en.wikipedia.org/wiki/Photosynthetic_efficiency http://en.wikipedia.org/wiki/Photosynthetic_efficiency vs 10% to 30%+ for solar cells (depending on technology/price).