2003 Almanac (page 126)  Table 4-1  Ozone Precursor Emission Trends and Forecasts - NOx								
South Coast Air Basin								

"NOx Emission Trends (tons/day, annual average)"								
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010
All Sources	1765	1677	1770	1660	1362	1165	927	730
Stationary Sources	358	319	280	195	153	110	84	80
Area-wide Sources	31	34	35	28	27	30	32	27
On-Road Mobile	1026	954	1094	1065	874	727	535	389
   Gasoline Vehicles	921	768	788	702	591	428	266	183
   Diesel Vehicles	105	186	306	363	283	299	269	206
Other Mobile	350	370	362	374	308	298	275	234