| http://www.w3.org/ns/prov#value | - o put energy into the hands of people who need it most.After two decades of work with such automotive giants as Opel and GM, developing innovative efficient car engines, Yafa engineers, alongside a German partner, have developed a kind of solar trough, which collects energy from the sun.A solution for poor industrialized countriesThe solar thermal energy is converted directly to steam to drive tur
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