Biodiesel is a direct replacement for petroleum diesel and can be used in any diesel engine without
modifications. The first diesel engine was designed to run on peanut oil by German engineer Rudolf
Diesel in 1893. Biodiesel is typically made by reacting vegetable oils and/or animal fats with an alcohol
and a catalyst to create an alternative fuel suitable for diesel engines. Biodiesel can be blended with
petroleum diesel at any ratio.
Common blends are B5, B20, B50, and B99. The B-factor represents how
much biodiesel is in the fuel mixture. Biodiesel blends are used in diesel cars, trucks, buses, off-road
equipment, and oil furnaces across the country. The use of biodiesel can reduce a diesel engine’s overall
emissions up to 75 percent. It can also reduce engine wear and tear and help a diesel vehicle last longer
due to its naturally high lubricity. Biodiesel is the first fuel to be commercially produced nationwide
which meets the US EPA’s definition of an Advanced Biofuel.
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