Figure 2,,,
Transportation Energy Use by Mode: 1998,,,

Pipeline,3,,
Air,8,,
Cars and Light-Duty Vehicles,63,,
Heavy-Duty Trucks and Buses,18,,
Transit,1,,
Rail,2,,
Water,5,,

"SOURCE: Compiled from various sources, as cited in U.S. Department of ",,,
"Transportation, Bureau of Transportation Statistics, National Transportation ",,,
"Statistics 2000 (Washington, DC: 2001).",,,