Biodiesel
is an alternative fuel; produced from domestic, renewable resources
like natural oils, waste restaurant grease, algae and other oil
sources. It can be used in compression-ignition (diesel) engines with
little or no modifications, is biodegradable, nontoxic, and
essentially free of sulfur and aromatics.
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.
Biodiesel
and biodiesel blends can be used in all compression-ignition engines
that were designed to be operated on diesel fuel, especially diesel
school buses.
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