California Air Resources Board 2008 Almanac (web) Chapter 3 Statewide Table 3-7 "Directly Emitted PM2.5 Emission Trends (tons/day, annual average)" Emission Source 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 All Sources 718 693 691 754 687 696 685 680 690 709 Stationary Sources 226 161 121 124 104 106 95 87 92 98 Area-wide Sources 369 392 417 442 440 452 448 459 469 482 Paved Road Dust 24 29 38 53 57 60 58 62 67 71 Unpaved Road Dust 45 48 52 54 52 53 53 53 54 56 Other Area-wide Sources 300 315 328 335 331 340 337 344 348 355 On-Road Mobile 45 54 70 90 65 60 61 55 49 45 Gasoline Vehicles 14 11 12 14 16 19 23 25 28 31 Diesel Vehicles 31 42 58 76 49 41 38 30 21 14 Other Mobile 78 85 83 99 78 79 81 80 79 84 Gasoline Fuel 4 5 7 8 8 9 9 11 14 17 Diesel Fuel 55 60 56 65 48 46 42 34 24 17 Other Fuel 19 20 21 25 23 24 29 34 41 51