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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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Boost from the sun could help gas power plants generate more electricity, run more cleanly

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.


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