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Transportation energy data book: edition 23 - Oak Ridge National ...

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Chapter 3<br />

All Highway Vehicles and Characteristics<br />

Summary Statistics from Tables in this Chapter<br />

Table 3.1 U.S. share of world automobile registrations, 2001 22.9%<br />

Table 3.2 U.S. share of world truck & bus registrations, 2001 42.7%<br />

Table 3.3 Number of U.S. automobiles, 2001 (thousands) 128,714<br />

Table 3.3 Number of U.S. trucks, 2001 (thousands) 87,969<br />

Table 3.5 Vehicle miles traveled, 2001 (million miles) 2,746,925<br />

Automobiles 58.2%<br />

Motorcycles 0.3%<br />

Two-axle, four-tire trucks 33.7%<br />

Other single-unit trucks 2.6%<br />

Combination trucks 4.9%<br />

Buses 0.3%<br />

Table 3.8 Average age of vehicles, 2001<br />

Automobiles (years) 9.0<br />

Trucks (years) 7.9<br />

Median lifetime of vehicles<br />

Table 3.9 Automobiles (years) 16.9<br />

Table 3.10 Light trucks (years) 15.5<br />

TRANSPORTATION ENERGY DATA BOOK: EDITION <strong>23</strong>—2003<br />

3–1

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