Biodiesel Air Pollution Reductions over Diesel Fuel
Emission	B100	B20
Carbon monoxide	-43.2%	-12.6%
Hydrocarbons	-56.3%	-11.0%
Particulates	-55.4%	-18.0%
Nitrous oxides	+5.8%	+1.2%
Air toxics	-60 to 90%	-12 to 20%
Mutagenicity	-80 to 90%	-20.0%