California Air Resources Board 2004 Almanac (web) Table 5-64 Chapter 5 San Diego Diesel PM Emissions San Diego - Diesel PM Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 34 2% 0% Area-wide Sources 0 0% 0% On-Road Mobile 456 27% 2% Gasoline Vehicles 0 0% 0% Diesel Vehicles 456 27% 2% Other Mobile 1214 71% 5% Natural Sources 0 0% 0% Total 1704 100% 7% Total Statewide 24998