Table 5
Comparison between FAME and HVO [60].
| Properties | FAME | HVO |
|---|---|---|
| Feedstock | Food corps, seeds and non-edible oils | Vegetable oil/animal fats |
| Catalyst | Ethanol, methanol | Hydrogen |
| By products | Glycerol, wax, soap | Water |
| NOx pollutants | Emission increased to 15% | Emission decreased |
| CO2 contaminates | 20–32% ppm | 12–15% ppm |