August 1, 2007Using very different designs, several companies are focusing the sun's energy onto solar cells to lower the cost of solar electricity.Photos: More solar bang for the buckTAGS:photovoltaics, solar energy, cell, sun, silicon, electricity, energy, FAQ, CEO
September 14, 2007It's not as common as solar photovoltaic panels, but Hawaiian start-up Sopogy thinks small-scale solar thermal makes sense.Photos: Concentrating on solar power in HawaiiTAGS:Hawaii, renewable energy, photovoltaics, electricity, project, California
May 5, 2006Start-ups focus on an old technique of concentrating sunlight to make more cost-efficient photovoltaic panels. Photos: Solar 'concentrators'TAGS:hologram, electricity, silicon, cell, sunlight, photovoltaics, CEO