The U.S. Department of Energy (DOE) — in conjunction with the national laboratories — conducts a wide range of statistical research on energy use, economics, and trends in transportation.
Data Books
Transportation Energy Data Book
The Transportation Energy Data Book is an assembly and display of statistics and information that characterize transportation activity, and presents data on other factors that influence transportation energy use.
DOE Resources
Fuel Economy Guide
How fuel-efficient are today's vehicles? This Web site from the U.S. Department of Energy (DOE) and the U.S. Environmental Protection Agency (EPA) includes an interactive, online database of light-duty vehicle information that can help you make a purchase decision based on fuel economy. You'll also find information on current and future technologies to improve energy efficiency and help the environment.- Transportation Fact of the Week
Energy Information Administration
Annual Energy Outlook
The Annual Energy Outlook 2007 presents a projection and analysis of US energy supply, demand, and prices through 2030.International Energy Outlook
Published annually by the DOE's Energy Information Administration (EIA), these documents provide current energy use statistics and projections to 2020.Energy Efficiency Data
This site provides an in-depth discussion of the concept of energy efficiency and how it is measured, measurement, summaries of formal user meetings on energy efficiency data and measurement, as well as analysis of greenhouse gas emissions as related to energy use and energy efficiency.
Other Federal Government Sites
Federal Highway Administration, Office of Highway Policy Information
A site providing highway-related data from federal, state, and local sources.Highway Statistics
Published annually by the Federal Highway Administration, the Highway Statistic Series consists of annual reports containing analyzed statistical data on motor fuel; motor vehicles; driver licensing; highway-user taxation; State and local government highway finance; highway mileage, and Federal aid for highways.National Household Travel Survey
An ongoing Federal Highway Administration effort to collect information on travel in the United States by households. This survey provides data needed to address the major issues in transportation today.Traffic Volume Trends
Published monthly by the Federal Highway Administration, this report is based on hourly traffic count data collected at approximately 4,000 continuous traffic counting locations nationwide, as reported by the States. These data are used for calculating percent change in traffic over time.
U.S. Department of Transportation: Bureau of Transportation Statistics
A site providing statistics on roads, the airline industry, bridges, and other transportation areas.U.S. Environmental Protection Agency: Office of Transportation and Air Quality
Information on protecting health and the environment by regulating air pollution from motor vehicles, engines, and the fuels used to operate them, and by encouraging travel choices that minimize emissions.Light-Duty Automotive Technology and Fuel Economy Trends: 1975 Through 2006
Published annually by EPA's Office of Transportation and Air Quality, This report provides data on the fuel economy and technology characteristics of new light-duty vehicles (cars, vans, sport utility vehicles (SUVs), and pickup trucks) for model years 1975 through 2006.