Co-generation, Ethanol Production and CO2 Enhanced Oil Recovery
Model for Environmentally and Economically Sound Linked Energy Systems
Kansas Geological Survey
Open-file Report 2002-6

Putting it all in Perspective

Ethanol CO2 emission volumes are low relative to total US anthropogenic CO2 volumes but become relevant when compared to volumes emitted strictly by industrial processes not directly related to combustion for energy. CO2 from ethanol production is not considered an emission due to its biomass source.

Annual Production MMB/yr
U.S. Ethanol production is rapidly increasing as oil declines. Ethanol is supplementing the liquid fuels industry in addition to MTBE replacement. Added oil through CO2 EOR offers even greater potential impact. Though the Russell plant could have significant impact on the local area, one eight times the size could add 6 MMB/yr liquid fuels to the Kansas industry (4.8 in ethanol and 2.1 in CO2 EOR). 
U.S. Ethanol (2001) 42.1
U.S. Ethanol Projected (2004) 90.5
Kansas Ethanol (2002 projected) 2.0
Kansas Oil (2000) 34.3
U.S. Oil (2000) 2,130.7
West Texas CO2 EOR (2001) 54.8
   
Potential EOR from Ethanol CO2 BO/5mcf
Ethanol (2001) 20.2
Ethanol Projected (2004) 43.4
Incremental CO2 (2004-2001) 23.1

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Last updated March 2002
http://www.kgs.ku.edu/PRS/Poster/2002/2002-6/P2-03.html