Graphs


Figure 7:Emissions of various bus types - (left to right) NOX, PM, NMHC, CO2 equiv

[Note: CNG=compressed natural gas, B20 = 20% biodiesel]


Figure 8: Fuel consumption of various bus types

Figure 9: Running costs per seat mile Figure 10: Running costs for a bus fleet

[Note: CNG=compressed natural gas, ULSD = ultra-low suplhur diesel, B20 = 20% biodiesel]