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About Biodiesel Fuels

Premium biodiesel is a fuel manufactured from vegetable oils. The production is a simple and well-established process that uses a proven process called transesterification. Soybean oil is currently the leading source of virgin vegetable oil used for biodiesel feedstock in the United States.

Biodiesel and biodiesel blends can be used in all compression-ignition (CI) engines that were designed to be operated on diesel fuel, such as diesel-powered cars, trucks, tractors, boats, shipping equipment, irrigation systems, mining equipment, and electrical generators.

Biodiesel blends refer to a fuel that is composed of part pure biodiesel and part petroleum diesel. For example, B100 is pure biodiesel and B20 is a blend of 20% biodiesel and 80% diesel fuel. Blue Sun recommends biodiesel be used in a blend of 20% biodiesel and 80% #2 diesel (B20) for warm weather operation. In cold weather operation the diesel portion would include #1 diesel fuel and possibly cold flow fuel additive enhancers. The B20 blend provides a superior diesel fuel because it has a higher cetane rating, superior lubricity, significant emission reductions, virtually eliminates visible soot emissions, less toxic emissions, and similar fuel consumption, horsepower, and torque -- and the fuel smells cleaner.

The ASTM D6751 standard for biodiesel has recently been developed and it has established high quality biodiesel fuel specifications. Diesel fuel industry stake holders can now be assured of high quality biodiesel fuel if it is certified as meeting ASTM D6751 specifications.

Biodiesel fuel yields 220% more energy than is required to produce it, including all the energy used in the agriculture, transportation and distribution. This occurs because the feedstock crop collects solar energy and transforms it into the biodiesel feedstock oil. Background on energy balance for biodiesel.

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