page_title: Biodiesel
hierarchical_section_title: Biodiesel
caption_attribution_description: English: Bus running on soybean biodiesel. U.S. Department of Energy: Energy Efficiency and Renewable Energy (www.eere.energy.gov).The front of the bus says: "Nebraska Soybean Program" and the bus marquee says "Downtown".
context_page_description: Biodiesel is a form of diesel fuel derived from plants or animals and consisting of long-chain fatty acid esters. It is typically made by chemically reacting lipids such as animal fat, soybean oil, or some other vegetable oil with an alcohol, producing a methyl, ethyl or propyl ester.
  Unlike the vegetable and waste oils used to fuel converted diesel engines, biodiesel is a drop-in biofuel, meaning it is compatible with existing diesel engines and distribution infrastructure. Biodiesel can be used alone or blended with petrodiesel in any proportions. Biodiesel blends can also be used as heating oil.
  The US National Biodiesel Board defines "biodiesel" as a mono-alkyl ester.
context_section_description: Biodiesel is a form of diesel fuel derived from plants or animals and consisting of long-chain fatty acid esters. It is typically made by chemically reacting lipids such as animal fat (tallow), soybean oil, or some other vegetable oil with an alcohol, producing a methyl, ethyl or propyl ester.
  Unlike the vegetable and waste oils used to fuel converted diesel engines, biodiesel is a drop-in biofuel, meaning it is compatible with existing diesel engines and distribution infrastructure. Biodiesel can be used alone or blended with petrodiesel in any proportions. Biodiesel blends can also be used as heating oil.
  The US National Biodiesel Board defines "biodiesel" as a mono-alkyl ester.
caption: A bus in Nebraska powered by biodiesel
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