TOKYO -- Toshiba has developed a power generation system that produces electricity from such unused heat sources as factories, without relying on environmentally damaging hydrofluorocarbons.
Binary system does not use harmful HFCs found in similar technology

Toshiba's prototype binary generator does not use environmentally harmful hydrofluorocarbons. (Toshiba)
TOKYO -- Toshiba has developed a power generation system that produces electricity from such unused heat sources as factories, without relying on environmentally damaging hydrofluorocarbons.