California Air Resources Board 2006 Almanac (web)										
Chapter 4	Sacramento Valley Air Basin 						Table 4-60			
"Directly Emitted PM2.5 Emission Trends (tons/day, annual average)"										
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020
All Sources	82	81	83	89	82	84	86	87	89	90
Stationary Sources	18	12	11	13	10	10	12	12	13	14
Area-wide Sources	56	60	62	65	64	65	66	68	69	70
On-Road Mobile	2	3	4	4	3	3	3	2	2	2
   Gasoline Vehicles	1	1	1	1	1	1	1	2	2	2
   Diesel Vehicles	1	2	3	3	2	2	1	1	1	0
Other Mobile	6	7	6	7	6	6	6	5	5	4
   Gasoline Fuel	0	0	1	1	1	1	1	1	2	2
   Diesel Fuel	6	7	5	6	5	4	4	3	3	2
   Other Fuel	0	0	0	0	0	0	0	0	0	0