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Governors' Biofuels Coalition
NEWS UPDATE April 29, 2014

Industry lashes out at corn stover study

Tiffany Stecker, E&E reporter  •    •  Posted April 29, 2014

The biofuels industry is coming down hard on a study it feels has unfairly characterized ethanol from corn stover as being worse for the climate than gasoline and far from qualifying for U.S. EPA’s coveted advanced biofuel designation. Last week, University of Nebraska, Lincoln, researchers published a paper in Nature Climate Change finding that fuels made from corn residue — the tough, fibrous stalks, corncobs and leaves left atop fields after harvest — could remove carbon from the soil, leading to a net increase of greenhouse gas emissions compared with conventional gasoline over a five-year cycle (ClimateWire, April 21). [ read more … ]

Response Comments to Liska et al. (2014): Biofuels for crop residue can reduce soil carbon and increase CO2 emissions

Douglas L. Karlen, USDA-ARS/NLAE  •    •  Posted April 29, 2014

This article makes unrealistic assumptions and uses citations out of context to reinforce the authors’ viewpoint. For example, the first sentence citing Wilhelm et al. (2007) fails to make the point that the authors of that publication were pointing out that the initial wind and water erosion projections associated with the Billion Ton Study (BTS), though important, were not sufficient to assess sustainability of the practice and that “excessive” residue removal can decrease soil organic matter. [ read more … ]

McCarthy slams critics’ ‘dangerous game’ of trying to discredit agency science

Daniel Lippman, E&E reporter  •    •  Posted April 29, 2014

U.S. EPA Administrator Gina McCarthy today struck back at EPA critics in a forceful address to scientists that defended agency actions on climate change, air quality issues and safe drinking water. With science as our North Star, EPA has steered America away from health risks and toward healthier communities and a higher overall quality of life,” she told the annual meeting of the National Academy of Sciences in Washington. “That’s why it’s worrisome that our science seems to be under constant assault by a small — but vocal — group of critics.” [ read more … ]

Note: News clips provided do not necessarily reflect the views of coalition or its member governors.