================================ Visualizing Energy visualizingenergy.org ================================ Title: Public expenditures on energy research, development, and demonstration, 2000-2020 Time span: 2000-2020 ================================ Variable: Public expenditures on energy research, development, and demonstration Source: Myslikova, Z., Gallagher, K. S., Zhang, F., Narassimhan, E., & Oh S. (2023). “Global Public Energy RD&D Expenditures Database.” Climate Policy Lab, The Fletcher School, Tufts University. Source link: https://www.climatepolicylab.org/rddmap Data accessed: 2023-03-16 Description: None Additional links: None