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involves more than 20,000 types of goods, 75,291 outlets, 1,300 urban
logistics delivery starting points, 733 logistics enterprises, and over
40,000 delivery vehicles (Figure 3.3). According to the findings of a
field investigation in Guiyang conducted in 2012, the no-load ratio of
freight vehicles in Guiyang was 49.6 per cent. In addition, there are
no optimized transportation routes—they are decided by the drivers
according to their own habits.
Figure 3.3 Freight Vehicles in Guiyang (2002–11)
3.5 Measuring CO2 Emission Factors for Freight
Vehicles Using on-Road Remote Sensing Devices
3.5.1 Experimental System and Test Method
Remote sensing devices
For the study, remote sensing measurement was carried out using the
4-gas INSPECTOR IV® from MD LaserTech Ltd. The INSPECTOR IV®
is used to measure the exhaust emissions from gasoline vehicles. It uses
tuneable laser diode (TDL) technology to measure carbon monoxide
(CO) and carbon dioxide (CO2), and ultraviolet differential optical
absorption spectroscopy (UV-DOAS) to measure hydrocarbons (HC)
and nitric oxide (NO). The components and working conditions of this
instrument are described in Appendix B.
146 Low Carbon Development in China and India
logistics delivery starting points, 733 logistics enterprises, and over
40,000 delivery vehicles (Figure 3.3). According to the findings of a
field investigation in Guiyang conducted in 2012, the no-load ratio of
freight vehicles in Guiyang was 49.6 per cent. In addition, there are
no optimized transportation routes—they are decided by the drivers
according to their own habits.
Figure 3.3 Freight Vehicles in Guiyang (2002–11)
3.5 Measuring CO2 Emission Factors for Freight
Vehicles Using on-Road Remote Sensing Devices
3.5.1 Experimental System and Test Method
Remote sensing devices
For the study, remote sensing measurement was carried out using the
4-gas INSPECTOR IV® from MD LaserTech Ltd. The INSPECTOR IV®
is used to measure the exhaust emissions from gasoline vehicles. It uses
tuneable laser diode (TDL) technology to measure carbon monoxide
(CO) and carbon dioxide (CO2), and ultraviolet differential optical
absorption spectroscopy (UV-DOAS) to measure hydrocarbons (HC)
and nitric oxide (NO). The components and working conditions of this
instrument are described in Appendix B.
146 Low Carbon Development in China and India
