**Recognizing that the production and use of Corn-based Ethanol (lower left quadrant) may generate significant greenhouse gas emissions, the graphic depicts renewable subsidies with (lower right quadrant) and without (upper right quadrant) ethanol subsidies separately.
Inflation-adjusted energy subsidies as a percentage of the Federal budget during the first 15 years of each subsidy’s lifetime. The percentage scale runs from 0.00 to 0.25. The years of the subsidy life, with four bars for each year, runs from year 1 to year 15. In each year the bars represent gray, oil and gas; purple, nuclear; orange, biofuels; green, renewables.
Historical average of annual subsidies in 2010
Source: Pfund and Healey, Ref. 1; http://i.bnet.com/blogs/dbl_energy_subsidies_paper.pdf.
The three arrows in the graphic above show years in which the Production Tax Credit
© 2012 Henry Auer