IEA (2020), IEA public energy technology R&D and demonstration spending by technology, 1977-2019, IEA, Paris https://www.iea.org/data-and-statistics/charts/iea-public-energy-technology-r-and-d-and-demonstration-spending-by-technology-1977-2019, Licence: CC BY 4.0
-
Download chart as imagePNG
-
Download chart dataCSV
The data from this chart is not available for download