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139

Table 6.5 Container weight for different goods

Cargo

Weight of container

(t/TEU)

Freight weight

(t/TEU)

Total weight

(t/TEU)

Bulk

1.90

6.00

7.90

Average

1.95

10.50

12.45

Volume

2.00

14.50

16.50

6.3 Transportation modes

6.3.1 Truck transport

A European semi-trailer truck has a total weight of 40 t. The empty weight is 14 t,

and the payload capacity is 26 t. The bigger the truck is, the higher the ratio of payload

and empty capacity is. 40 t trucks carrying goods between two distribution centres have

a lower emission per t km than a small truck for the distribution within a city as shown

in Table 6.6.

Table 6.6 Payload and weight for different truck sizes

Empty weight (t) Payload capacity (t) Total weight (t) Payload/empty capacity

4

3.5

7.5

88%

6

6

12

100%

9

17

26

189%

14

26

40

186%

19

41

60

216%

For the calculation of the emission of truck routes, the actual measured data as

well as the calculation of diesel consumption for a specific route can be used. In terms of

calculation, Table 6.7 gives different values for the energy consumption depending on

truck size, route and kind of cargo.

Tab 6.7 Energy consumption per t km for different trucks and loads [1]

Hilly ground

Flat ground

Volume Average Bulk Volume Average Bulk

Total truck weight Diesel consumption l/t km

< 7.5 t

0.140 0.078 0.063 0.139 0.077 0.062

7.5-12 t

0.108 0.061 0.050 0.105 0.059 0.048

12-24 t

0.063 0.036 0.029 0.060 0.034 0.027

24-40 t

0.038 0.023 0.020 0.033 0.020 0.016