GAO report raises doubts on RFS’ environmental, economic benefits

A new Government Accountability Office (GAO) report is casting doubt on the environmental and economic benefits of corn ethanol used to meet EPA’s renewable fuel standard (RFS) biofuel blending mandates, adding to debate over the merits of the program ahead of the agency’s imminent proposed 2020 RFS fuel production goals. The June 3 report , requested by the Senate Homeland Security & Governmental Affairs Committee’s regulatory affairs panel, calls into question biofuels sector claims that ethanol provides greenhouse gas reductions...