| Energy consumption -- United States. Matches 4 items |
| Energy consumption -- United States -- History. Matches 1 item |
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Energy conversion. Matches 1 item See Also: Direct energy conversion. Matches 1 item
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Energy conversion, Microbial -- Brazil. SEE: Biomass energy -- Brazil. Matches 1 item
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Energy conversion, Microbial -- Congresses. SEE: Biomass energy -- Congresses Matches 1 item
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Energy conversion, Microbial -- Economic aspects. SEE: Biomass energy -- Economic aspects. Matches 1 item
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Energy conversion, Microbial -- Social aspects. SEE: Biomass energy -- Social aspects. Matches 1 item
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| Energy crops. Matches 1 item |
| Energy crops -- Composition. Matches 1 item |
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Energy dependence. SEE: Energy security Matches 3 items
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