not the part that’s used to feed people or using non-food crops in the same acre of farmland as food crops.
Brazil has such a program with its sugarcane program,where the waste is used as biofuel ,but not the foodstuff.

(may be broke/outdated!)
not the part that’s used to feed people or using non-food crops in the same acre of farmland as food crops.
Brazil has such a program with its sugarcane program,where the waste is used as biofuel ,but not the foodstuff.