EFW may refer to:
*
Economic Freedom of the World
''Economic Freedom of the World'' is an annual survey published by the Fraser Institute, a Canadian think tank.
; ; The survey attempts to measure the degree of economic freedom in the world's nations. It has been used in peer-reviewed studie ...
* Energy-from-waste, see
Waste-to-energy
Waste-to-energy (WtE) or energy-from-waste (EfW) refers to a series of processes designed to convert waste materials into usable forms of energy, typically electricity or heat. As a form of energy recovery, WtE plays a crucial role in both wa ...
* Jefferson Municipal Airport, in
Jefferson, Iowa
Jefferson is a city in, and the county seat of Greene County, Iowa, United States, along the Raccoon River, North Raccoon River. The population was 4,182 at the time of the 2020 United States census, 2020 census. It is the home of the Mahanay M ...
, IATA airport code EFW
* Electric Field and Wave experiment, a scientific instrument on the
Cluster space mission
*
Elbe Flugzeugwerke
Elbe Flugzeugwerke GmbH (literally: Elbe aircraft factory, commonly abbreviated as ''EFW'') is an aerospace manufacturer based in Dresden, Germany.
It was established during 1955 as ''VEB Flugzeugwerke Dresden'' (VEB). Early projects included th ...
, a Dresden-based subsidiary of Airbus and ST Aerospace specialising in freighter and tanker conversion
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