"ROG Emission Trends (tons/day, annual average)" Emission Source 1975 1980 1985 1990 1995 2000 2005 2010 All Sources 2882 2452 2407 1850 1374 1092 883 794 Stationary Sources 566 465 462 424 227 210 227 246 Area-wide Sources 219 239 263 223 199 200 192 202 On-Road Mobile 1994 1635 1557 1066 812 562 366 262 Gasoline Vehicles 1987 1623 1536 1042 793 548 353 251 Diesel Vehicles 7 12 21 24 19 14 13 11 Other Mobile 103 113 125 138 136 119 98 83