Table 5 Carbon and water footprint results by stochastic modeling (geometric mean (GM)) and k values
From: Uncertainty analysis of the environmental sustainability of biofuels
Process | GWP 20 | GWP 100 | GWP 500 | WSFP | ||||
|---|---|---|---|---|---|---|---|---|
GM | k | GM | k | GM | k | GM | k | |
Diesel | 0.23 | 1.26 | 0.21 | 1.37 | 0.21 | 1.46 | 1.2E-08 | 5.28 |
Biodiesel | 0.22 | 1.24 | 0.21 | 1.35 | 0.20 | 1.44 | 2.7E-05 | 8.02 |
Petrol | 0.26 | 1.25 | 0.24 | 1.37 | 0.24 | 1.45 | 1.4E-08 | 5.26 |
Biopetrol | 0.26 | 1.30 | 0.24 | 1.42 | 0.24 | 1.50 | 1.3E-05 | 6.77 |
Natgas | 0.25 | 1.42 | 0.21 | 1.52 | 0.20 | 1.60 | 9.5E-09 | 6.97 |
Biogas | 0.36 | 1.91 | 0.16 | 1.86 | 0.08 | 1.72 | 7.8E-09 | 5.75 |
bg_agri | 0.51 | 1.76 | 0.19 | 1.86 | 0.07 | 1.84 | 1.1E-08 | 6.60 |
bg_biowaste | 0.47 | 2.17 | 0.19 | 2.12 | 0.08 | 1.94 | 7.5E-09 | 5.93 |
bg_sewage | 0.25 | 2.02 | 0.12 | 1.85 | 0.08 | 1.71 | 8.1E-09 | 5.72 |
bg_grass | 0.31 | 1.72 | 0.20 | 1.55 | 0.15 | 1.55 | 4.2E-08 | 7.56 |
bg_whey | 0.29 | 1.79 | 0.16 | 1.65 | 0.12 | 1.62 | 1.5E-08 | 6.26 |