U.S. regulators and the European Commission each used indirect land-use changes in measuring the greenhouse-gas emissions of grain-based biofuels, but they came out with different results, according to Jonathan Fahey in this blog post. The U.S. results were more forgiving of grain-based biofuels than the European study, in part because U.S. researchers accounted for improvements in production and used more countries in their land-use model. The EC is reportedly in the process of concluding that indirect land-use changes mean biofuels may not be worth subsidizing in Europe, Fahey writes.

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