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Table 10 GHG emission analysis of railway transport

From: Assessing the sweet sorghum-based ethanol potential on saline–alkali land with DSSAT model and LCA approach

Transport method

Distance (km)

Fuel intensity [40,41,42]

Carbon emission factor [31, 40,41,42]

Percentage

GHG emission (kg CO2 eq /t ethanol)a

Railway transport with diesel

500

3.27 L/(thousand t·km)

0.85 kg CO2 eq/L

38%

1.39

Railway transport with electricity

500

11.2 kWh/(thousand t·km)

0.26 kg CO2 eq/kWh

62%

1.456

Summary

100%

1.43

  1. aGHG emissions are the energy inputs of transportation times carbon emission factors and the proportion of transportation mode