Paper 20 by 2020: How Ammonia Production Could Support 20 Gigawatts of Wind Energy in Iowa Julian Atchison October 12, 2009 20 by 2020: How Ammonia Production Could Support 20 Gigawatts of Wind Energy in Iowa Troy Benegerdes, Ames Laboratory and Steve Gruhn, Freedom Fertilizer
Paper Wind to NH3 — Green Fertilizer and Fuel for the Future Julian Atchison September 30, 2008 Wind to NH3 — Green Fertilizer and Fuel for the Future Steve Gruhn and Barry Sackett, Freedom Fertilizer LLC