Chapter 4	San Francisco Bay Area Air Basin 						Table 4-21			
"CO Emission Trends (tons/day, annual average)"										
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020
All Sources	8956	8293	7078	5241	3829	2793	2200	1766	1417	1205
Stationary Sources	49	58	76	69	60	50	44	47	49	51
Area-wide Sources	173	175	176	174	164	170	175	171	170	169
On-Road Mobile	8155	7477	6190	4310	2965	2029	1496	1105	752	522
   Gasoline Vehicles	8142	7454	6152	4270	2934	2001	1470	1082	733	505
   Diesel Vehicles	13	23	38	39	31	27	26	23	19	17
Other Mobile	580	583	636	688	640	545	484	442	446	462
   Gasoline Fuel	448	457	500	548	517	434	375	332	332	344
   Diesel Fuel	54	54	61	67	61	53	47	44	44	45
   Other Fuel	78	72	75	73	62	58	62	66	71	74