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Fuel Cell Vehicles 15 Years Away, Research Council Says
http://www.worldwatch.org/node/5828
Hydrogen fuel cells may be the best energy-saving alternative to gasoline-powered vehicles, and the technology could be economically competitive by 2023, a U.S. National Research Council report announced Thursday.
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http://dn.sapo.pt/2008/07/24/ciencia/paineis_solares_sara_para_iluminar_a.html
Painéis solares no Sara para iluminar a Europa
Energia. O sol do deserto africano pode fornecer três vezes mais energia [...]
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