U.S. Flag Vessels by Type and Age
a Age is based on the year the vessel was built or rebuilt.
b In 1992, Offshore support boats were designated as crew boats.
c In 1992, Tank barges were designated as Liquid barges.
National Transportation Statistics
4141
Age and Availability of Amtrak Locomotive and Car Fleets
KEY: N = data do not exist.
a Year-end daily average. Active units less backshop units undergoing heavy maintenance less back-ordered units undergoing progressive maintenance and running repairs.
b Fiscal Year-end average. Fiscal Year ends Sept. 30th of stated year. Since 2001, only passenger car data are included in the Passenger and other train cars category.
Class I Rail Freight Fuel Consumption and Travel
KEY: N = data do not exist; U = data are unavailable.
a For 1960-80, the total includes a small number of steam and electric units, which are not included in the per locomotive fuel consumption figure.
b United States owners only. Includes cars owned by Class I railroads, other railroads, car companies, and shippers.
c Based on the distance run between terminals and/or stations; does not include yard or passenger train-miles.
d Excludes passenger and work trains.
Transit Industry Electric Power and Primary Energy Consumption and Travel
KEY: kWh = kilowatt hour; N = data do not exist.
a Prior to 1984, the data in this table include the energy consumption of bus, heavy rail, light rail and trolley bus. Commuter rail, automated guideway, urban ferryboat, demand responsive vehicles, and most rural and smaller systems are excluded from the data during this period.
b 1960 to 1991 data include propane. Series not continuous between 1991 and 1992. 1992 to 1995 data include propane, liquefied natural gas, bio/soy fuel, biodiesel, hydrogen, methanol and ethanol,...
Single-Unit 2-Axle 6-Tire or More Truck Fuel Consumption and Travel
a Beginning in 1998, the Federal Highway Administration (FHWA) used the Census Bureau's 1997 Vehicle Inventory and Use Survey (VIUS) for its baseline estimate of single-unit 2-axle 6-tire or more trucks. Prior to 1998, the FHWA used the Census Bureau's 1992 Transportation Inventory and Use Survey (TIUS) for its baseline estimates. Therefore, post-1997 data may not be comparable to 1997 and earlier years.
Light Duty Vehicle, Short Wheel Base and Motorcycle Fuel Consumption and Travel
KEY: U = data are unavailable.
a 1960-1994 data include Motorcycles.
Estimated Consumption of Alternative and Replacement Fuels for Highway Vehicles
KEY: N = data do not exist.
a EIA's data collection does not produce enough survey coverage for local and municipal governments, private fleets, and household vehicles, EIA only publishes the fuel use and the number of vehicles for four fleets; federal government, state governments, transit agencies, and fuel providers. The total fuel used by these four types of fleets do not represent the U.S. total for AFV inventory and fuel use. These values should not be aggregated.
b A high-level ethanol blend containing 51%-83% ethanol...