What is Bio-Diesel:
Bio diesel is a fuel derived from vegetable oil or animal fats that can be an additive to or entirely replace conventional petroleum diesel fuel.  In the United States, the majority of bio diesel is made from soybean or canola oils, but is also made from waste stream sources such as used cooking oils or animal fats.

Environmental Benefits:

(REDUCTION IN THE FOLLOWING AIR CONTAMINANTS)

Soot
B100 has shown about a 50% reduction in particulate matter (PM or soot) emissions. Diesel PM has been shown to exacerbate respiratory conditions and cause premature death.

Air Toxic's
Other emissions benefits of B100 include a reduction in air toxic's on the order of 60-90% Air toxic's, such as formaldehyde and benzene, can cause a variety health risks including cancer, immune system disorders and reproductive problems.