Assumptions to the Annual Energy Outlook

Assumptions to the Annual Energy Outlook 2003

Table 32. The Average Length of Time Vehicles Are Kept Before they are Sold to Others
(Months)

Vehicle Type	Business	Utility	Government
Cars	35	68	81
Light Trucks	56	60	82
Medium Trucks	83	86	96
Heavy Trucks	103	132	117
Source: Oak Ridge National Laboratory, Fleet Characteristics and Data Issues, Stacy Davis and Lorena Truett, unpublished final report prepared for the Department of Energy, Energy Information Administration, Office of Integrated Analysis and Forecasting, (Oak Ridge, TN, Draft version, Dec. 10, 2003).