California Air Resources Board 2007 Almanac (web) Chapter 5 San Francisco Bay Area Table 5-43 San Francisco Bay Area - Diesel PM Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 82 2% 0% Area-wide Sources 0 0% 0% On-Road Mobile 1424 30% 3% Gasoline Vehicles 0 0% 0% Diesel Vehicles 1424 30% 3% Other Mobile 3191 68% 8% Gasoline Fuel 0 0% 0% Diesel Fuel 3191 68% 8% Other Fuel 0 0% 0% Natural Sources 0 0% 0% Total 4697 100% 11% Total Statewide 42326