IIRC Biodiesel has higher NOx emissions but lower particulates. Here is a ppt which I haven't even read yet. http://www.nrel.gov/docs/fy05osti/38296.pdf http://

IIRC Biodiesel has higher NOx emissions but lower particulates. Here is a ppt which I haven't even read yet. http://www.nrel.gov/docs/fy05osti/38296.pdf http://www.nrel.gov/docs/fy05osti/38296.pdf