Solar Roofing

National Institute of Standards’ Roof Photovoltaic Test Facility: http://www.bfrl.nist.gov/863/bipv/roof.htm

Solar roofs pictures: http://www.oksolar.com/gallery/roof.htm

Solar roofs web search

Solar roofs on Italian trains.

This is web page http://www.roperld.com/science/SolarRoofing.htm