The approach of this theoretical work is to discuss the characteristics of biodiesel produced from Locally Sourced Restaurant Oils. Increased energy consumption and the depletion of petroleum reserves have pushed up oil prices globally. One alternative energy source that has the potential to be developed is biodiesel. https://www.theijire.com/archives/paper-details?paperid=279&papertitle=general-discussion-overview-on-properties-of-biodiesel-produced-from-locally-sourced-restaurant-work-cooking-oils