Chapter 4	San Diego Air Basin 						Table 4-49			
"CO Emission Trends (tons/day, annual average)"										
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020
All Sources	3389	3066	2897	2517	1787	1333	955	753	630	564
Stationary Sources	30	29	28	27	26	40	27	26	25	25
Area-wide Sources	23	25	27	29	27	28	28	28	29	30
On-Road Mobile	3169	2799	2586	2145	1448	1007	657	456	327	251
   Gasoline Vehicles	3164	2792	2574	2130	1434	994	643	444	317	242
   Diesel Vehicles	6	8	11	16	14	14	14	13	10	9
Other Mobile	167	213	256	316	286	259	243	243	248	258
   Gasoline Fuel	126	165	207	255	231	207	194	193	197	206
   Diesel Fuel	17	23	25	34	29	26	22	22	22	23
   Other Fuel	24	26	24	27	26	26	27	28	28	29