First Solar, Inc. announced that it has manufactured 4 gigawatts (GW) of thin-film photovoltaic (PV) solar modules since beginning commercial production in 2002. A 4GW generation capacity is enough solar electricity to power around two million households, displacing more than 2.5 million metric tons of CO2 emissions a year – the equivalent of taking 500,000 cars off the road. The company also announced that its second factory at Frankfurt an der Oder, Germany, has begun producing solar module...