Category:Fuels
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A fuel is a substance used as a source of energy, usually by the heat produced in combustion.
The List of energy topics compiles various energy technologies and issues.
Subcategories
This category has the following 18 subcategories, out of 18 total.
Pages in category "Fuels"
The following 78 pages are in this category, out of 78 total. This list may not reflect recent changes.