California Air Resources Board 2009 Almanac (web) Chapter 5 Sacramento Valley Table 5-76 Sacramento Valley - Diesel PM Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 39 2% 0% Area-wide Sources 0 0% 0% On-Road Mobile 1246 48% 3% Gasoline Vehicles 0 0% 0% Diesel Vehicles 1246 48% 3% Other Mobile 1304 50% 4% Gasoline Fuel 0 0% 0% Diesel Fuel 1302 50% 4% Other Fuel 2 0% 0% Natural Sources 0 0% 0% Total 2590 100% 7% Total Statewide 35884