Papers cited in lecture notes or used in their preparation:

Congressional Research Service:

Power Plants - Characteristics and Costs - 2008 (cached copy)

Articles about biofuel's water consumption / environmental impact:

Nitrogen Fertilizer: Agricultural Breakthrough - And Environmental Bane, Scientific American, 20 March 2009 (link / cached copy)

Biofuel's Water Problem, IEEE Spectrum, June 2010 (link)

Organic But Not Green IEEE Spectrum, November 2009 (link)

The secret environmental cost of US ethanol policy, Associated Press, 22 November 2013, (link / cached copy)

As Ethanol Booms, Critics Warn of Environmental Effect, The New York Times, 24 June 2010 (link / cached copy)

Attention Fracktivists: Corn Ethanol Is The Real Environmental Culprit, Forbes, 11 November 2013 (link / cached copy)