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Jul 19, 2016, 5:47 am53 ptsGreen Car Congress
THE US Department of Energy (DOE) National Renewable Energy Laboratory (NREL) has installed its second fuel-efficient, hydraulic hybrid system on a vehicle for the lab’s 632-acre campus in Golden, Colo. The hydraulic hybrid system is made by Colorado-based Lightning Hybrids. The first Lightning Hybrids bus…
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