Research Article
Environmental Impact Analysis of Hub-and-Spoke Network Operation
Table 8
Contrast of pollutant emissions and fuel consumption.
| Pollutant emissions and fuel consumption | Hub-and-spoke network (kg) | Point-to-point network (kg) |
| Total CO emission | 4.99 E + 8 | 7.77 E + 8 | Total HC emission | 3.60 E + 7 | 1.15 E + 8 | Total NOx emission | 1.60 E + 9 | 2.14 E + 9 | Pollutant emissions | 2.14 E + 9 | 3.03 E + 9 | Total fuel consumption | 1.21 E + 7 | 2.03 E + 8 |
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