Biodiesel is fuels that have contain from admixture mono-alkylester from long chain of fatty acids, that used as alternative fuel for diesel engine. And this product made from vegetable oils and animals fats. To change primary oils to ester needed lipid transesterification, and then to dispose free fatty acids.
Biodiesel is meant to be used in standard diesel engines and is thus distinct from the vegetable and waste oils used to fuel converteddiesel engines. Biodiesel can be used alone, or blended with petrodiesel. Biodiesel can also be used as a low carbon alternative to heating oil.
