California Air Resources Board 2004 Almanac (web) Chapter 4 San Diego ROG Emission Trends Table 4-28 "ROG Emission Trends (tons/day, annual average)" Emission Source 1975 1980 1985 1990 1995 2000 2005 2010 All Sources 444 442 419 348 270 227 188 175 Stationary Sources 40 57 55 53 45 49 56 64 Area-wide Sources 36 41 45 47 42 42 40 42 On-Road Mobile 338 306 274 196 133 89 60 43 Gasoline Vehicles 337 305 271 193 130 86 58 41 Diesel Vehicles 1 1 3 3 3 2 2 2 Other Mobile 31 38 45 51 50 46 33 27