Title from PDF title screen.; "May 2005."; "PB2008-110127."; Includes bibliographical references (p. 28).; Final report.; Text document in PDF format.; Performed for California Air Resources Board, Research Division under contract no.
Trucks--California--Motors (Diesel); Diesel motor exhaust gas--California.
Cover title.; "April 2007."; Includes bibliographical references (p. 19).; Final report.; Performed by Center for Environmental Research and Technology, University of California, Riverside, prepared for California Air Resources Board, Research...
School buses--Motors (Diesel)--Exhaust gas.; School buses--Safety measures.
"January 11, 2006."; "ARB/R-07-851."; Includes bibliographical references (p. 78-80).; Final report.; Performed by University of California, Riverside College of Engineering, Center for Environmental Research and Technology, and UCLA School of...