The National Renewable Energy Laboratory (NREL) in the US specializes in the of , , energy systems integration, and sustainable transportation. NREL is a sponsored by the and operated by the Alliance for Sustainable Energy, a joint venture between
[pdf] In fiscal year 2020, congressional appropriations for the Department of Energy contained $464.3 million for NREL. This total included the following amounts for its renewable energy technology programs: • : $122.4 million• : $30.0 million
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