2003 Almanac (page 119) Table 3-8 Emission Trends and Forecasts - Oxides of Sulfur "SOx Emission Trends (tons/day, annual average)" Emission Source 1975 1980 1985 1990 1995 2000 2005 2010 All Sources 1295 1006 550 485 254 205 210 217 Stationary Sources 995 704 259 184 150 133 133 142 Area-wide Sources 4 5 5 5 5 5 5 4 On-Road Mobile 144 115 144 171 43 12 12 5 Gasoline Vehicles 108 52 55 60 36 5 4 4 Diesel Vehicles 35 63 89 111 7 7 8 1 Other Mobile 152 182 141 125 57 55 61 66