Economic Research Service
Examines supply, use, prices, and trade for biofuels and biofuel feedstocks, including supply and demand prospects in major producing, importing and exporting countries. Focuses on ethanol and corn, biodiesel and soybeans; also contains information on other biofuel feedstocks, second-generation biofuels such as cellulosic, and biofuel co-products such as distiller's grains (DDGS).
Of related interest is the interactive Feed Grains Database
and the Oil Crops Yearbook Data tables
on the ERS website.