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3.2.2 Study of the Characteristics of CO2 Emission from 2.3
Freight Vehicles
The characteristics of the emissions of different types of freight vehicles
in the urban area of Guiyang can be analysed by testing the motor
vehicle exhaust emissions. The freight vehicle CO2 emissions can be
estimated by using different models.
3.2.3 Study of CO2 Emission Inventory from Freight Vehicles
The study of the emission inventory on the scale of urban roads in
Guiyang was conducted based on the IVE (international vehicle
emission) model and actual remote sensing data (known as the
Honghuan vehicle exhaust pollutant analysis model). The factors
affecting freight vehicle CO2 emission were calculated based on the
relevant research findings regarding the driving patterns of motor
vehicles in the road network of the urban area of Guiyang. The CO2
emission inventory was established based on the number, driving
patterns, and IVE models of these vehicles.
3.2.4 Prediction of CO2 Emission Volume from Freight
Vehicles
The changes in the number of freight vehicles in the urban area of
Guiyang in the next 10 years (2011–20) was predicted by using long-
range alternative planning system (LEAP) 2011 as the measuring
instrument and using 2010 as the base year. The total CO2 emission
volume from the freight vehicles for the same 10 years (2011–20) was
forecasted based on the calculation of fuel consumption.
3.2.5 Recommendations to Reduce Freight Vehicle CO2
Emissions
The characteristics and key influencing factors of freight vehicle CO2
emission in Guiyang was understood based on the results from the
IVE model. An estimation of the results of freight vehicle CO2 emission
reduction under different scenarios was done. Based on the above
estimation, recommendations on freight vehicle CO2 emission control
in Guiyang are made.
3.2.6 Study Region
The study region was the urban area of Guiyang, with an area of
2,403 sq. km. For details about the study region, please refer to
Figure 3.1.
Chapter 3 Informing Sub-national Actions 141
Freight Vehicles
The characteristics of the emissions of different types of freight vehicles
in the urban area of Guiyang can be analysed by testing the motor
vehicle exhaust emissions. The freight vehicle CO2 emissions can be
estimated by using different models.
3.2.3 Study of CO2 Emission Inventory from Freight Vehicles
The study of the emission inventory on the scale of urban roads in
Guiyang was conducted based on the IVE (international vehicle
emission) model and actual remote sensing data (known as the
Honghuan vehicle exhaust pollutant analysis model). The factors
affecting freight vehicle CO2 emission were calculated based on the
relevant research findings regarding the driving patterns of motor
vehicles in the road network of the urban area of Guiyang. The CO2
emission inventory was established based on the number, driving
patterns, and IVE models of these vehicles.
3.2.4 Prediction of CO2 Emission Volume from Freight
Vehicles
The changes in the number of freight vehicles in the urban area of
Guiyang in the next 10 years (2011–20) was predicted by using long-
range alternative planning system (LEAP) 2011 as the measuring
instrument and using 2010 as the base year. The total CO2 emission
volume from the freight vehicles for the same 10 years (2011–20) was
forecasted based on the calculation of fuel consumption.
3.2.5 Recommendations to Reduce Freight Vehicle CO2
Emissions
The characteristics and key influencing factors of freight vehicle CO2
emission in Guiyang was understood based on the results from the
IVE model. An estimation of the results of freight vehicle CO2 emission
reduction under different scenarios was done. Based on the above
estimation, recommendations on freight vehicle CO2 emission control
in Guiyang are made.
3.2.6 Study Region
The study region was the urban area of Guiyang, with an area of
2,403 sq. km. For details about the study region, please refer to
Figure 3.1.
Chapter 3 Informing Sub-national Actions 141
