| Table 6-12 | ||||||
| U.S. government RD&D expenditures on clean energy and nuclear technologies: 2007–11 | ||||||
| (Millions of dollars) | ||||||
| Year |
All clean energy and nuclear technologies |
Energy efficiency |
Renewable energy |
Nuclear energy |
Hydrogen and fuel cells |
Other power and storage technologies |
|---|---|---|---|---|---|---|
| 2007 | 2,690 | 585 | 594 | 898 | 343 | 140 |
| 2008 | 2,831 | 692 | 468 | 1,008 | 335 | 127 |
| 2009 | 7,131 | 2,196 | 2,280 | 871 | 368 | 951 |
| 2010 | 4,519 | 1,422 | 1,338 | 907 | 340 | 281 |
| 2011 | 3,996 | 882 | 1,161 | 1,225 | 260 | 178 |
|
RD&D = research, development, and demonstration. NOTE: Clean energy and nuclear technologies include solar, wind, bioenergy, nuclear, fuel cells, hydrogen, CO2 capture and storage, other power and storage, and energy efficiency. SOURCE: International Energy Agency, Statistics and Balances, http://www.iea.org/stats/index.asp, accessed 15 March 2013. Science and Engineering Indicators 2014 |
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