This new CAST Special Publication (SP 30), “Sustainability of U.S. Soybean Production: Conventional, Transgenic, and Organic Production Systems,” documents the ecological and economic implications of the various systems used in U.S. soybean production. Soybean production has changed in the United States since its first introduction in the mid-1880s. Initially, the crop was produced mainly for forage and received only minimal inputs

Concern about rising prices and unstable sources of petroleum fuels is driving the search for U.S. domestically produced, renewable transportation fuels, such as biodiesel, which is developing into a widely accepted alternative fuel.