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ORNL and Enginuity researchers proved that a micro combined heat and power prototype, or mCHP, with an opposed piston engine can achieve more than 93% overall energy efficiency. The environmentally friendly mCHP can replace a back-up generator or traditional hot water heater. Credit: ORNL, U.S. Department of Energy

ORNL researchers, in collaboration with Enginuity Power Systems, demonstrated that a micro combined heat and power prototype, or mCHP, with a piston engine can achieve an overall energy efficiency greater than 93%. 

Oak Ridge National Laboratory's Additive Manufacturing Integrated Energy  (AMIE) demonstration connects a 3D-printed building and vehicle to showcase a new approach to energy use, storage and consumption. Photo by Carlos Jones

A research demonstration unveiled today at the Department of Energy’s Oak Ridge National Laboratory combines clean energy technologies into a 3D-printed building and vehicle to showcase a new approach to energy use, storage and consumption. The Additive Manufactur...

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The Department of Energy’s Oak Ridge National Laboratory and Whirlpool Corporation are collaborating to design a refrigerator that could cut energy use by up to 40 percent compared with current models