- Federal Register Notice (PDF)(2 pp, 145 K, published March 22, 2011)
- EPA response to Clean Air Taskforce, World Wildlife Fund, National Wildlife Federation, and Friends of the Earth's petitions for reconsideration of the Renewable Fuel Standards (RFS2) (PDF)(30 pp, 164 K, February 2011)
- Letters from EPA Administrator Jackson to Clean Air Taskforce, World Wildlife Fund, National Wildlife Federation, and Friends of the Earth (PDF)(4 pp, 677 K, February 17, 2011)