September 3, 2013
Engineers Dustin Caldwell, left, and Brad Fritz make adjustments to their solar booster. A mirrored dish on top concentrates the sun’s rays.
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Researchers at Pacific Northwest National Laboratory are testing a device that can harness solar heat to increase a natural-gas power plant’s efficiency 25 percent.
RICHLAND — Solar power remains a hard sell in the United States, but researchers in Washington have developed a way to harness the heat of the sun to boost the efficiency of conventional power plants.