Chapter 4 Sacramento Valley Air Basin  Table 4-60 "Directly Emitted PM2.5 Emission Trends (tons/day, annual average)" Emission Source 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 All Sources 73 71 73 81 73 74 73 74 75 76 Stationary Sources 18 12 11 13 10 10 10 11 11 12 Area-wide Sources 45 48 50 52 52 53 54 55 56 57 On-Road Mobile 4 5 6 8 6 5 5 5 4 4 Gasoline Vehicles 1 1 1 1 1 1 2 2 2 2 Diesel Vehicles 3 4 5 7 5 4 3 3 2 1 Other Mobile 6 7 6 7 5 5 5 4 4 3 Gasoline Fuel 0 1 1 1 1 1 1 1 2 2 Diesel Fuel 5 6 5 6 4 4 4 3 2 1 Other Fuel 0 0 0 0 0 0 0 0 0 0