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Israeli company Emefcy lands big-name backers for its Megawatter System that can turn wastewater into clean water and electricity.
ElectraTherm's waste heat generator taps hot wastewater from oil drilling to generate 20 percent of the power needed for the drilling.
The company gets $2.6 million to further develop generator that makes electricity from industrial waste heat at factories, saw mills, and oil and gas fields.
General Electric boosts its power generation business by acquiring Calnetix Power Solutions, which makes a small-scale system for turning industrial heat into usable electricity.
Here's one way to make industry more efficient: A small DOE research project seeks to convert megawatts of wasted energy into usable heat and electricity.
Thermoelectricity in action: ElectraTherm squeezes 50 kilowatts of electricity out of industrial waste heat.