Category:Energy efficiency

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Main Wikipedia article: Category:Energy efficiency
energy efficiency 
ratio between the useful output of an energy conversion machine and the input
Efficiency diagram by Zureks.svg
Wikipedia-logo-v2.svg  Wikipedia
Subclass of dimensionless quantity,
effectiveness
Authority control
Wikidata
Blue pencil.svg

Subcategories

This category has the following 14 subcategories, out of 14 total.

E

F

K

L

R

Media in category "Energy efficiency"

The following 118 files are in this category, out of 118 total.