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U.S. Department of Energy, Energy Information Administration
The EIA's Monthly Energy Review (MER) to includes annual data as far back as 1949 for those data tables that are found in both the Annual Energy Review (AER) and the MER. In the list of tables below, grayed-out table numbers now go to MER tables that contain 1949-2012 (and later) data series.
Fuel economy data are the result of vehicle testing done at the Environmental Protection Agency's National Vehicle and Fuel Emissions Laboratory in Ann Arbor, Michigan, and by vehicle manufacturers with oversight by EPA.