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Researchers have built and tested for the military a portable machine that efficiently turns waste into electricity.
The DOE’s backing revives a pioneering clean-coal project.
Crystals could capture greenhouse gases released by power plants.
Such materials could be used to cool computers and buildings, and harvest waste heat in cars.
DOE funds will help finance construction of a geothermal facility using advanced technology.
Self-organizing equipment could cut energy bills.
Nanowire generators could one day lead to medical devices powered by the patient’s own heart.
The first prototype cell to use photonic crystals looks promising.