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Yellow grease is a term from the rendering industry. Yellow grease is distinct from brown grease, as yellow grease is typically used-frying oils from deep fryers, whereas brown grease is sourced from grease interceptors.^{[citation needed]} Yellow grease can also refer to lower-quality grades of tallow from rendering plants.

Yellow grease is recovered, traded as a marginally valuable commodity, and has traditionally been used to spray on roads as dust control, or as animal feed additive, but has become a feedstock for biodiesel production. Although most biodiesel is produced from renewable plant sources, yellow grease is attractive because it is inexpensive and its use converts waste into fuel.

[edit] See also

• Biodiesel
• Brown grease
• Vegetable oil used as fuel

[edit] External links

• "Grease Rustlers" by Susan McCarthy. Salon.com, November 6, 2000.