California Air Resources Board 2007 Almanac (web) Chapter 5 Sacramento Valley Table 5-76 Sacramento Valley - Diesel PM Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 218 7% 1% Area-wide Sources 0 0% 0% On-Road Mobile 1469 46% 3% Gasoline Vehicles 0 0% 0% Diesel Vehicles 1469 46% 3% Other Mobile 1472 47% 3% Gasoline Fuel 0 0% 0% Diesel Fuel 1472 47% 3% Other Fuel 0 0% 0% Natural Sources 0 0% 0% Total 3159 100% 7% Total Statewide 42326