Research Article
Research on the Optimization of Cross-Border Logistics Paths of the “Belt and Road” in the Inland Regions
Table 3
Transportation mode parameters.
| Mode of transportation | Unit transportation cost (yuan/t-km) | Unit carbon emission factor | Average speed (km/h) |
| Road transportation | 1 | 0.283 | 90 | Railway transportation | 0.65 | 0.022 | 60 | Water transportation | 0.35 | 0.016 | 30 | Air transportation | 2 | 1.036 | 900 |
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