Emotions ran the gamut at the recent middle-school solar and lithium-ion car races hosted by the Energy Department's National Renewable Energy Laboratory (NREL). Nervous tension was heightened as the sun played an ornery game of peekaboo with the threatening rain clouds. The students' anxiety then gave way to grins of excitement—or grimaces of dismay—as their solar and lithium-ion battery cars raced (or crept) to the finish line.
NREL: News Feature - Model Car Races Put Creativity on the Line
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