Chapter 4 Sacramento Valley Air Basin  Table 4-56 "Directly Emitted PM2.5 Emission Trends (tons/day, annual average)" Emission Source 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 All Sources 85 85 87 93 87 89 91 92 94 96 Stationary Sources 18 12 11 14 10 11 11 12 13 13 Area-wide Sources 59 63 66 69 68 70 72 73 75 76 On-Road Mobile 2 3 4 4 3 3 3 2 2 2 Gasoline Vehicles 1 1 1 1 1 1 1 2 2 2 Diesel Vehicles 1 2 3 3 2 2 1 1 1 0 Other Mobile 6 7 6 7 5 5 5 5 4 4 Gasoline Fuel 0 0 1 1 1 1 1 1 2 2 Diesel Fuel 6 7 5 6 5 4 4 3 3 2 Other Fuel 0 0 0 0 0 0 0 0 0 0