Chapter 4 South Coast Air Basin Table 4-9 "CO Emission Trends (tons/day, annual average)" Emission Source 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 All Sources 16154 13382 13140 10322 7574 5533 3953 3062 2519 2184 Stationary Sources 296 287 75 100 65 52 88 91 94 97 Area-wide Sources 54 51 82 70 87 142 158 161 166 170 On-Road Mobile 14571 11754 11622 8690 6153 4207 2705 1883 1334 956 Gasoline Vehicles 14546 11708 11545 8623 6093 4154 2654 1839 1295 920 Diesel Vehicles 25 47 78 67 60 52 51 44 39 36 Other Mobile 1233 1289 1361 1463 1269 1132 1003 927 926 961 Gasoline Fuel 1027 1076 1156 1251 1080 952 823 743 735 761 Diesel Fuel 116 121 119 123 97 85 77 73 71 72 Other Fuel 91 92 86 89 92 94 102 111 120 129