Chapter 4	San Diego Air Basin 						Table 4-45			
"CO Emission Trends (tons/day, annual average)"										
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020
All Sources	3331	3066	2963	2499	1755	1316	983	798	666	599
Stationary Sources	30	29	28	28	26	40	33	48	48	53
Area-wide Sources	56	62	68	72	64	66	68	70	72	75
On-Road Mobile	3059	2740	2586	2067	1360	930	626	438	306	225
   Gasoline Vehicles	3056	2735	2575	2052	1347	918	616	429	298	217
   Diesel Vehicles	3	6	11	15	13	11	11	9	8	8
Other Mobile	186	235	281	333	305	280	256	241	240	246
   Gasoline Fuel	148	189	235	280	258	238	215	200	199	205
   Diesel Fuel	16	22	24	28	22	19	17	16	15	14
   Other Fuel	23	24	23	25	25	24	25	26	26	26