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NREL: battery second use offsets EV expense, improves grid stability; recommendations

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NREL research confirms that after being used to power a car, a Li-ion battery retains approximately 70% of its initial capacity—making its reuse a valuable energy storage option for electric utilities, before battery materials are recycled. —Mike Ferry, Center for Sustainable Energy.

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ARPA-E Selects 37 Projects for $106M in Funding in Second Round; Electrofuels, Better Batteries and Carbon Capture

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Electrofuels approaches will use organisms able to extract energy from other sources, such as solar-derived electricity or hydrogen or earth-abundant metal ions. Easel Biotechnologies, UC Davis). The team anticipates at least a twofold productivity improvement over current levels and a cost that can be competitive with gasoline.

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