California Air Resources Board 2009 Almanac (web) Chapter 5 South Coast Table 5-32 South Coast - Diesel PM Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 176 2% 0% Area-wide Sources 0 0% 0% On-Road Mobile 3345 40% 9% Gasoline Vehicles 0 0% 0% Diesel Vehicles 3345 40% 9% Other Mobile 4778 58% 13% Gasoline Fuel 0 0% 0% Diesel Fuel 4446 54% 12% Other Fuel 332 4% 1% Natural Sources 0 0% 0% Total 8300 100% 23% Total Statewide 35884