Table 9
Life Cycle Assessment of biodiesel.
| Biofuel | Net energy ratio | The model used for calculation | Ref |
|---|---|---|---|
| Fossil fuel | 6.3 | Energy life cycle analysis small farm production | [115] |
| Soybean biodiesel | 4.25 | Energy life cycle analysis small farm production | [116] |
| Palm biodiesel | 7.9–8.5 | CED, PNAS | [118] |
| Pine biodiesel | 8.36 | Energy accounting method | [119] |
| Algae biodiesel | 5.58 | Biofuel analysis meta model | [120] |
| Rapeseed biodiesel | 6.71–7.2 | Greet model | [122] |
| Corn biodiesel | 4.26–5.12 | Energy and Resources Group | [124] |