DOE stands for the Department of Energy, a United States government agency responsible for overseeing national energy policy and nuclear safety. Established in 1977, its mission includes promoting energy conservation, developing renewable energy sources, and ensuring the safety of the nation’s nuclear arsenal. The DOE also conducts scientific research and innovation through its national laboratories, which focus on various fields, including renewable energy, nuclear physics, and environmental science. By funding research and development projects, the DOE aims to enhance energy efficiency and reduce the environmental impact of energy production and consumption.