...But it's unclear that Skyline Solar's design will be much cheaper on balance because the tracking and mounting system addscosts and the prices for traditional flat solar panels are dropping, Bradford said. Martin LaMonica is a senior writer...
http://news.cnet.com/8301-11128_3-10232586-54.html
...is a really poor example since our building code is so influenced by extra attention to seismic safety which invariably addscosts apart from that, time from application to sale adds a significant amount of costs. one part can be attributed to...
http://www.planetizen.com/node/41050