Feedstock refers to the raw material that is required for some industrial
In the context of biofuels, a feedstock is any biomass
destined for conversion to energy or biofuel. For example, corn is a feedstock
for ethanol production and soybean oil is a feedstock for biodiesel.
Cellulosic biomass [such as straw or wood] has the potential to become a
significant feedstock source for [second-generation] biofuels.
Forests and energy glossary