Biodiesel is a renewable fuels that has several environmental benefits.

• Biodiesel is made from renewable sources.
• Biodiesel is nearly carbon-neutral.
• Biodiesel has the highest energy return (energy produced compared to energy consumed in production) of any transportation fuel. 
• Biodiesel is less polluting than petroleum diesel. 
• Biodiesel can be used in diesel engines without modfication.  Diesel engines extend fuel value since diesel engines are inherently 25-30% more efficient than gasoline engines.