The newest ethanol producer in the U.S. is also one of the largest, but Valero Energy Corp. is not a member of the organizations that typically represent ethanol producer interests. Instead, Valero continues to retain membership in the National Petrochemical & Refiners Association, a lobbying group that testified before the U.S. Senate Subcommittee on Clean Air and Nuclear Safety earlier this week that ethanol should not be blended into gasoline at levels higher than 10 percent for use in non-flexible fuel motor vehicles and non-road gasoline-powered engines. The NPRA suggested that levels above 10 percent have not been sufficiently tested for their safety.
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