What kind of fuel is biodiesel?

Biodiesel is a renewable diesel fuel that can replace petrochemical diesel by transesterification with aquatic vegetable oil such as oil crops, wild oil plants and engineering microalgae, as well as animal oil and kitchen waste oil. Biodiesel is a kind of biomass energy, which is a long-chain fatty acid monoalkyl ester obtained by biomass pyrolysis and other technologies. Biodiesel is a mixture of complex organic components with extremely high oxygen content. These mixtures are mainly some high molecular weight organic compounds, including almost all kinds of oxygen-containing organic compounds, such as ethers, esters, aldehydes, ketones, phenols, organic acids, alcohols and so on. Biodiesel is a kind of high-quality clean diesel oil, which can be extracted from various biomass and can be said to be an inexhaustible energy source. It is expected to replace oil as an alternative fuel in today's increasingly exhausted resources.