California Air Resources Board 2006 Almanac (web)										
Chapter 4	San Francisco Bay Area Air Basin 						Table 4-23			
"CO Emission Trends (tons/day, annual average)"										
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020
All Sources	8846	8200	6997	5190	3814	2799	2213	1792	1456	1257
Stationary Sources	53	62	80	72	69	57	53	54	57	59
Area-wide Sources	127	136	144	160	163	169	178	182	188	194
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	511	525	582	648	618	544	486	450	459	481
   Gasoline Fuel	402	413	461	518	495	431	376	333	333	345
   Diesel Fuel	56	56	63	69	62	55	49	46	47	48
   Other Fuel	52	55	58	61	61	59	61	71	79	88