Biodiesel is an alternative fuel, equivalent to conventional fossil species. Biodiesel can be produced from animal and vegetable oils, candle oils and household waste oils. The process of converting these oils into biodiesel is called transesterification.
The most important useful sources of fat are oilseed products such as rapeseed, palm and soy. Most biodiesel produced today is made from waste vegetable oil from industrial food producers and large restaurants.
Quality of the product before the commercial product is delivered, the product is analyzed with some especil equipment to test whether it meets the required specifications.