Oxidation catalytic converter and emulsified fuel effects on heavy-duty diesel engine emissions, Girish Janakiraman, John H. Johnson, Susan T. Bagley, James R. Warner, Cuong T. Huynh, Amjad Khan, David G. Leddy
Michigan Tech Publications

A study of the vapor-and particle-phase sulfur species in the heavy-duty diesel engine EGR cooler, Admir M. Kreso, John Johnson, Linda D. Gratz, Susan T. Bagley, David G. Leddy
Michigan Tech Publications

The effects of fuel sulfur concentration on regulated and unregulated heavy-duty diesel emissions, Cornelius N. Opris, Linda D. Gratz, Susan T. Bagley, Kirby J. Baumgard, David G. Leddy, John H. Johnson
Michigan Tech Publications