Office of Energy Efficiency and Renewable Energy

The Office of Critical Minerals and Energy Innovation (CMEI) formerly known as the Office of Energy Efficiency and Renewable Energy (EERE) is an office within the United States Department of Energy. The office supports research, development, demonstration, and deployment programs related to critical materials, manufacturing, energy technology, transportation, buildings, hydropower, and energy efficiency.

Source: Wikipedia — Office of Energy Efficiency and Renewable Energy (CC BY-SA 4.0)