Yale Environment 360: Solar photovoltaic (PV) manufacturing has been growing at a slower rate in recent years, increasing by only 4 percent annually from 2011 to 2013, compared to an average annual growth of 78 percent from 2006 to 2011, says a U.S. Energy Information Administration analysis. Globally, solar PV production facilities are producing far fewer solar panels than their maximum capacity allows, the report says. The peak for that metric occurred in 2011, at 70 percent, when 36.6 gigawatts of solar PV modules...