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EPA Sees Potential For Long-Term RFS Obstacle With Ethanol 'Blend Wall'

July 13, 2017
EPA's proposed rule setting renewable fuel standard (RFS) blending goals for 2018 indicates that the agency sees the potential for a progressively worsening long-term obstacle to increased ethanol use in the "blend wall," the limit on how much ethanol can be blended into the fuel supply given infrastructure and vehicle constraints. Oil sector critics of the RFS -- including EPA Administrator Scott Pruitt in his previous role as GOP attorney general of Oklahoma -- have long argued that the blend...


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