Chapter 4	South Coast Air Basin						Table 4-3			
"NOx Emission Trends (tons/day, annual average)"										
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020
All Sources	1691	1530	1561	1558	1332	1177	985	742	580	468
Stationary Sources	307	266	230	182	131	113	59	56	52	52
Area-wide Sources	60	54	49	42	35	30	27	23	22	23
On-Road Mobile	998	880	955	953	831	692	586	400	285	204
   Gasoline Vehicles	927	777	796	725	616	455	295	178	127	92
   Diesel Vehicles	71	103	159	228	215	237	291	222	158	111
Other Mobile	326	330	327	381	334	341	313	263	220	190
   Gasoline Fuel	27	27	29	32	28	29	28	24	22	21
   Diesel Fuel	267	270	266	313	264	266	241	209	164	129
   Other Fuel	32	32	33	36	41	47	44	31	34	39