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Renewable Fuels Association – www.ethanolrfa.org

Canadian Renewable Fuels Association – www.greenfuels.org

Growth Energy – www.growthenergy.org

American Coalition for Ethanol (ACE) – www.ethanol.org

BBI International – www.bbiethanol.com

National Corn-to-Ethanol Research Center – www.ethanolresearch.com