ADM, biofuels supporters challenge U.S. ethanol 'blend wall'
June 25, 2015 at 20:17 PM EDT
KANSAS CITY, Kansas, June 25 (Reuters) - Archer Daniels Midland Co and ethanol supporters on Thursday challenged a U.S. government plan for biofuels use, saying it will not push past the "blend wall" because of a niche market for biofuels credits.