| Fuel type | Reference mass/ton | aCost/$ per ton | Heat energy/ 1010 J per ton | MJ/$ |
| Olive pomace | 1 | 170 | 2.075 | 122.1 |
| Oak wood | 1 | 255 | 1.695 | 66.5 |
| bDiesel | 1 | 1170 | 4.494 | 38.4 |