The Department of Energy sponsors a laboratory that is currently working on magnetic fusion devices based on what principle?
National Spherical Torus Experiment The National Spherical Torus Experiment (NSTX) is an innovative magnetic fusion device based on the "spherical tokamak" concept. It was constructed by the Princeton Plasma Physics Laboratory (PPPL) in collaboration with the Oak Ridge National Laboratory, Columbia University, and the University of Washington at Seattle.
Office of Energy Efficiency and Renewable Energy The Office of Energy Efficiency and Renewable Energy (EERE) is an office within the United States Department of Energy. Formed from other energy agencies after the 1973 energy crisis, EERE's mission is to help support the development of clean, renewable and efficiency energy technologies to America and support a global clean energy economy. The Office of EERE is led by the Assistant Secretary of Energy Efficiency and Renewable Energy, who oversees three technology sectors: renewable energy, sustainable transportation, and energy efficiency. Within these sectors are 11 major technology offices and programs that support research, development, and outreach efforts.