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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
  1. Uncertainties of k > 2 (95 % interval spanning over a factor of 4) are marked in italics