The number of studies and researchers arguing against making policy decisions involving greenhouse gas (GHG) emissions and corn ethanol using historical data grew by one today with a report from IEA Bioenergy.
The study reports that corn-based ethanol helps reduce greenhouse gas emissions by 39 percent today and will grow to 55 percent in 2015 as production technology and yields advance.
It also notes that ethanol provides more energy than it takes to make it - 42 percent more energy today and nearly double that by 2015.
The entire report (.pdf) is available here.
Meanwhile, here's a good quote from the news release:
The GHG emissions savings from ethanol production and use have more than doubled between 1995 and the projected level in 2015. This indicates the danger of making policy decision(s) based on historical data without taking into account learning experiences and the potential gains that can be expected as industries develop. The GHG emissions reductions in 2015 from corn ethanol would qualify as advanced biofuels under proposed US regulations.
Related post: University report slams corn ethanol myths
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