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Advancing the Science of Climate Change
TABLE 13.1 Energy Use and Activity Characteristics of Various Transportation Modes in 2006
Mode
Energy Use
Passenger Transport Activity
Goods Transport Activity
Trillion BTU
%
Cum %
Passenger-miles (millions)
%
Cum %
Ton-miles (millions)
%
Cum %
Light-duty personal vehicles
16,824
65%
65%
4,546,618
87.5%
87.5%
Medium/heavy trucks
5,188
20%
85%
1,294,492
34.8%
34.8%
Domestic air transport
1,834
7%
92%
590,633
11.4%
98.9%
15,860
0.4%
35.2%
Pipeline
842
3%
95%
Freight rail
585
2%
98%
1,852,833
49.7%
84.9%
Domestic waterborne freight
304
1%
99%
561,629
15.1%
100%
Transit (all modes)
164
1%
99%
52,154
1.0%
99.9%
School bus
73
0%
100%
Intercity bus
30
0%
100%
Motorcycles
28
0%
100%
Intercity passenger rail
14
0%
100%
5,381
0.1%
100%
Total of above
25,886
5,194,786
3,724,814
SOURCE: Based on data from Davis et al. (2008) and DOT (2008).