AdvertisementU.S. Climate Change Plan Is Idea Rich, Cash PoorDecember 07, 2009Christopher JoycefacebookEmailSkyFuel unveiled last year one of the world's highest-performance, lowest-cost solar thermal power systems, in Arvada, Colo. Concentrated solar power, in which a large array of collectors concentrates a beam of energy to heat a fluid and run turbines, is viewed as a more likely source of large-scale electric power. (AP/SkyFuel)