PrintJuly 18, 2010
Graph of the Day for July 18, 2010
"So if somebody wants to build a coal-powered plant, they can; it's just that it will bankrupt them because they're going to be charged a huge sum for all that greenhouse gas that's being emitted." Barack Obama, 2008.
"CCS [clean coal] technologies offer more potential to reduce CO2 emissions than efficiency improvements alone but could raise electricity costs, increase demand for water, and could affect the ability of individual plants to operate reliably." GAO, June 2010.
Source: GAO.
Hoven's Index for July 18, 2010
Increase in cost of electricity generated from coal by using Carbon Capture and Storage (CCS), or "clean coal":
MIT estimate using post-combustion capture: 61%
DOE estimate using post-combustion capture: 83%
MIT estimate using pre-combustion capture: 27%
DOE estimate using pre-combustion capture: 36%
Increased use of water for post-combustion CCS: almost 100%
Increased use of water for pre-combustion CCS: 73%
Source: GAO.
Graph of the Day Archive.
