| American Coalition for Ethanol |
National Corn-to-Ethanol Research Center |
| Clean Cities Program |
National Renewable Energy Laboratory |
| E85 Fleet Toolkit |
U.S. Department of Agriculture |
| Growth Energy |
Renewable Fuels Association |
| Iowa Area Development Group |
U.S. Department of Energy Biomass Program |
| Iowa Department of Agriculture and Land Stewardship |
U.S. Energy Information Administration |
| Iowa Department of Natural Resources |
U.S. Environmental Protect Agency |
| Agricultural Marketing Resource Center |
National Biodiesel Board |
| Iowa Farm Bureau Federation |
Ethanol Producer Magazine |
| Biodiesel Magazine |
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