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NAL Agricultural Thesaurus
U.S. Department of Agriculture

Concept Breadcrumbs

Natural Resources, Conservation, Environment > natural resources > energy resources > fuels > clean fuels
Preferred Term:

clean fuels

Definition:
Energy sources from which pollutants and other impurities have been removed by refining, purification, and other means, to produce fuels less conducive to pollution.
Concept Schemes:
NALT Full
Broader Concept:
fuels
Related Concepts:
URI:
https://lod.nal.usda.gov/nalt/292403
Download this Concept:
RDF/XMLCreated 2017-02-15, last modified 2017-11-10