From: Algae biodiesel - a feasibility report
Emission
B100
B20
Hydrocarbons
-52.4%
-19.0%
Carbon monoxide
-47.6%
-26.1%
Nitrous oxides
-10.0%
-3.7%
Carbon dioxide
+0.9%
+0.7%
Particulate matter
+9.9%
-2.8%