"ROG Emission Trends (tons/day, annual average)" Emission Source 1975 1980 1985 1990 1995 2000 2005 2010 All Sources 1206 1180 1069 781 654 535 457 399 Stationary Sources 281 282 216 150 135 125 124 126 Area-wide Sources 95 96 97 102 94 91 85 86 On-Road Mobile 778 746 694 460 353 255 194 141 Gasoline Vehicles 776 742 686 451 346 250 189 137 Diesel Vehicles 2 3 8 9 7 5 5 4 Other Mobile 52 57 63 69 72 64 54 46