| Feedstock | Cost per Unit, $ | $GJ |
| Petroleum | 50/barrel | 8.7 |
| Gasoline | 1.67/gallon | 13.7 |
| Natural gas | 7.50/scf | 7.9 |
| Coal | 20/ton | 0.9 |
| Coal with carbon capture | 106/ton | 4.8 |
| Electricity | 0.04/kWh | 11.1 |
| Soy oil | 0.23/lb | 13.8 |
| Corn kernels | 2.30/bu | 6.6 |
| Cellulosic crops | 50/ton3 | 3.0 |