Used cooking oil, Density : >5%

Biodiesel is a combustible fuel that is biodegradable and made from vegetable oil or animal fat. It is desirable as an alternative to petroleum fuel because it uses renewable resources that are less damaging to the environment to produce and emit less harmful greenhouse gasses when burned as fuel. Biodiesel fuel can be used in any vehicle with a compression ignition engine that can take regular diesel fuel. With the proper equipment and safety procedures.