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Stories about: schemes

ORNL Studies 'Deep Retrofitting' Schemes Scientists at the US Department of Energy's (DOE) Oak Ridge National Laboratory (ORNL) are currently investigating deep retrofitting schemes which, they say, could help boost the energy efficiency of selected homes by 30 to 50 percent. They caution that the results of their studies would not necessarily mean tha... 26 November 2009 06:05 GMT