... off-highway trucks) represent the third largest consumer of oil at 3.0 MM bpd, 16 percent of total consumption. The current-cost average age of heavy trucks is 5.0 years, 27 Because of ... Department of Commerce, Bureau of Economic Analysis, Fixed Asset Tables, 1992-2002. The estimate of net stock includes an adjustment for depreciation, defined as the decline in value of the stock of ... Brightwater Treatment Facilities: Site Selection and Screening Activities, King County, March 2001. 101U.S. Department of Energy, Environmental Siting Guide, Office of Energy Efficiency and Renewable...