CO Emissions 1970-2002
CO Emissions
thousand short tons
| 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All Sources | 204,043 | 202,373 | 197,552 | 194,598 | 193,317 | 188,398 | 189,804 | 187,474 | 186,287 | 186,027 | 185,407 | 182,159 | 177,731 | 179,180 | 176,630 | 176,844 | 173,670 | 172,966 | 174,418 | 160,520 | 154,189 | 147,128 | 140,896 | 135,901 | 133,559 | 126,777 | 128,860 | 117,913 | 115,382 | 114,541 | 114,467 | 106,262 | 112,059 |
| On-Road Sources | 163,231 | 161,296 | 159,361 | 157,426 | 157,426 | 153,555 | 151,620 | 149,684 | 147,749 | 145,755 | 143,827 | 141,899 | 139,971 | 138,043 | 136,115 | 134,187 | 132,259 | 130,332 | 123,639 | 116,947 | 110,255 | 104,980 | 99,705 | 94,431 | 89,156 | 83,881 | 78,606 | 75,849 | 73,244 | 68,708 | 68,061 | 63,476 | 62,161 |
| All Other Sources | 40,811 | 41,077 | 38,192 | 37,172 | 35,891 | 34,843 | 38,185 | 37,789 | 38,538 | 40,272 | 41,580 | 40,259 | 37,760 | 41,137 | 40,514 | 42,656 | 41,410 | 42,635 | 50,779 | 43,572 | 43,934 | 42,148 | 41,191 | 41,470 | 44,403 | 42,896 | 50,254 | 42,064 | 42,137 | 45,833 | 46,406 | 42,786 | 49,898 |
| On-Road % 1970 | 80 |
|---|---|
| On-Road % 2002 | 55.47 |
| Change in total CO | -45.08 |
| Change on-road CO | -61.92 |