Image by KoliadzynskaIryna/DepositPhotos image U.S. imports of animal fats, greases, and processed oils, including used cooking oil, skyrocketed to almost five billion pounds in 2023 from 2.2 billion pounds in 2022. The surge in imports has been driven by rising domestic production of biomass-based diesel – fuels derived from animal fats and vegetable oils – […]