What did you think of this article? Anything you'd like to know more about? Let us know! References: 1 http://www.howstuffworks.com/solar-cell.htm 2 http://dsp-psd.pwgsc.gc.ca/Collection-R/LoPBdP/EB-e/prb0317-e.pdf http://www.bullfrogpower.com/about/Bullfrog%20Emissions%20Calculation%202007.pdf