What is WVO?
Waste vegetable oil (WVO) is vegetable oil which is left over from other uses, most typically uses in the restaurant industry, such as deep fryers. There are a number of applications for WVO, ranging from rendering it for use in animal feed to processing it so that it can be used in alternative fuel vehicles. Although “waste” makes it sound as though this product is traditionally simply thrown away, waste vegetable oil is in fact a highly useful substance, and it can be quite valuable. The most abundant source of WVO is restaurants, which typically collect WVO in large drums provided by rendering companies. When the drums are full, the rendering companies collect them and process the vegetable oil for use in cosmetics, animal food, and other products. Usually, the restaurant pays the company a small fee for the service, and the rendering company can generate a substantial profit from the oil it collects. People who drive alternative fuel vehicles are interested in WVO as a source of fu