| Key Indicators and Consumption |
Reference Case |
Annual Growth 2000-2020(percent) |
| 1999 |
2000 |
2005 |
2010 |
2015 |
2020 |
| Key Indicators |
| Level of Travel (billions) |
| Light-Duty Vehicles <8,500 pounds(VMT) |
2305 |
2340 |
2659 |
2981 |
3318 |
3631 |
2.2% |
| Commercial Light Trucks (VMT)1 |
67 |
70 |
77 |
89 |
101 |
112 |
2.4% |
| Freight Trucks >10,000 pounds (VMT) |
201 |
214 |
251 |
285 |
323 |
360 |
2.6% |
| Air (seat miles available) |
1137 |
1184 |
1317 |
1603 |
1949 |
2342 |
3.5% |
| Rail (ton miles traveled) |
1382 |
1415 |
1609 |
1757 |
1907 |
2066 |
1.9% |
| Domestic Shipping (ton miles traveled) |
665 |
689 |
741 |
792 |
855 |
910 |
1.4% |
| Energy Efficiency Indicators |
| New Light-Duty Vehicle (miles per gallon)2 |
24.0 |
24.5 |
25.1 |
25.7 |
26.6 |
27.2 |
0.5% |
| New Car (miles per gallon)2 |
27.7 |
28.6 |
29.6 |
30.2 |
31.0 |
31.7 |
0.5% |
| New Light Truck (miles per gallon)2 |
20.7 |
21.1 |
21.6 |
22.3 |
23.3 |
23.8 |
0.6% |
| Light-Duty Fleet (miles per gallon)3 |
19.7 |
19.8 |
19.8 |
20.1 |
20.5 |
21.0 |
0.3% |
| New Commercial Light Truk (MPG)1 |
14.0 |
14.2 |
14.4 |
14.9 |
15.5 |
15.9 |
0.6% |
| Stock Commercial Light Truck (MPG)1 |
13.6 |
13.6 |
14.1 |
14.4 |
14.9 |
15.4 |
0.6% |
| Aircraft Efficiency (seat miles per gallon) |
51.7 |
52.1 |
53.8 |
55.9 |
58.1 |
60.3 |
0.7% |
| Freight Truck Efficiency (miles per gallon) |
5.9 |
5.9 |
6.0 |
6.0 |
6.1 |
6.3 |
0.3% |
| Rail Efficiency (ton miles per thousand Btu) |
2.8 |
2.8 |
2.9 |
3.1 |
3.3 |
3.4 |
1.0% |
| Domestic Shipping Efficiency (ton miles per thousand Btu) |
2.3 |
2.3 |
2.3 |
2.3 |
2.4 |
2.4 |
0.2% |
| Energy Use by Mode (quadrillion Btu) |
| Light-Duty Vehicles |
14.80 |
14.97 |
16.74 |
18.49 |
20.07 |
21.37 |
1.8% |
| Commercial Light Trucks1 |
0.61 |
0.64 |
0.69 |
0.77 |
0.85 |
0.91 |
1.8% |
| Freight Trucks4 |
4.55 |
4.80 |
5.51 |
6.24 |
6.91 |
7.42 |
2.2% |
| Air5 |
3.50 |
3.62 |
3.92 |
4.51 |
5.19 |
5.91 |
2.5% |
| Rail6 |
0.58 |
0.58 |
0.63 |
0.66 |
0.69 |
0.72 |
1.0% |
| Marine7 |
1.50 |
1.73 |
1.68 |
1.73 |
1.78 |
1.82 |
0.3% |
| Pipeline Fuel |
0.75 |
0.79 |
0.80 |
0.86 |
0.95 |
1.02 |
1.3% |
| Lubricants |
0.18 |
0.18 |
0.21 |
0.22 |
0.24 |
0.25 |
1.7% |
| Total |
26.49 |
27.32 |
30.19 |
33.50 |
36.69 |
39.43 |
1.9% |
| Energy Use by Mode (million barrels per day oil equivalent) |
| Light-Duty Vehicles |
7.73 |
7.82 |
8.85 |
9.76 |
10.59 |
11.27 |
1.8% |
| Commercial Light Trucks1 |
0.32 |
0.33 |
0.36 |
0.41 |
0.45 |
0.48 |
1.9% |
| Freight Trucks4 |
2.03 |
2.14 |
2.47 |
2.81 |
3.12 |
3.35 |
2.3% |
| Railroad |
0.23 |
0.24 |
0.26 |
0.27 |
0.28 |
0.28 |
0.9% |
| Domestic Shipping |
0.13 |
0.14 |
0.15 |
0.16 |
0.17 |
0.18 |
-1.2% |
| International Shipping |
0.39 |
0.48 |
0.45 |
0.45 |
0.45 |
0.46 |
-0.2% |
| Air5 |
1.46 |
1.51 |
1.62 |
1.89 |
2.21 |
2.56 |
2.7% |
| Military Use |
0.29 |
0.30 |
0.34 |
0.35 |
0.36 |
0.36 |
1.0% |
| Bus Transportation |
0.09 |
0.09 |
0.09 |
0.09 |
0.10 |
0.10 |
0.6% |
| Rail Transportation6 |
0.04 |
0.04 |
0.04 |
0.05 |
0.05 |
0.05 |
1.9% |
| Recreational Boats |
0.16 |
0.16 |
0.17 |
0.18 |
0.19 |
0.20 |
0.9% |
| Lubricants |
0.09 |
0.09 |
0.10 |
0.11 |
0.11 |
0.12 |
1.7% |
| Pipeline Fuel |
0.38 |
0.40 |
0.40 |
0.44 |
0.48 |
0.52 |
1.3% |
| Total |
13.33 |
13.73 |
15.28 |
16.95 |
18.55 |
19.92 |
1.9% |