Selenium makes more efficient solar cells

Selenium makes more efficient solar cells: "Research reported in the journal Applied Physics Letters, published by the American Institute of Physics (AIP), describes how solar power could potentially be harvested by using oxide materials that contain the element selenium."

The next best thing to oil - tech - 12 August 2010 - New Scientist

The next best thing to oil - tech - 12 August 2010 - New Scientist: "A renewable carbon economy? Surely that's a pipe dream? Perhaps not, now that solar power facilities are cropping up in deserts across California, Spain and North Africa. The idea is to use the sun to power chemical plants able to split carbon dioxide. Combine the resulting carbon monoxide with hydrogen and you have the beginnings of a solar fuel that could one day replace oil."