1. The biofuel made from [soy] requires more energy for agricultural production relative to the total biofuel energy output.
2. The biofuel made from [corn] requires more energy for processing relative to the total biofuel energy output.
3. The biofuel made from [soy] saves more energy through the utilization of byproducts.
4. The NEB for corn is [125%].
5. The NEB for soy is [193%].
6. Based on their NEB values, the biofuel made from [soy] is the more energy-efficient choice.