Sioux Falls, SD (October 15, 2019) – The U.S. Environmental Protection Agency (EPA) today issued a supplemental rulemaking to its proposed 2020 Renewable Volume Obligations (RVOs) under the Renewable Fuel Standard (RFS), following an Oct. 4 White House announcement that the EPA will seek comment on ‘actions to ensure that more than 15 billion gallons of conventional ethanol be blended into the nation’s…