California Air Resources Board 2006 Almanac (web)										
Chapter 4	Sacramento Valley Air Basin 						Table 4-56			
"ROG Emission Trends (tons/day, annual average)"										
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020
All Sources	448	438	408	362	299	243	205	185	175	171
Stationary Sources	87	64	57	58	48	38	40	44	48	52
Area-wide Sources	59	66	65	73	69	66	63	65	67	69
On-Road Mobile	269	265	241	179	128	85	62	44	31	24
   Gasoline Vehicles	267	262	237	175	125	83	59	42	30	23
   Diesel Vehicles	2	3	4	4	3	3	2	2	1	1
Other Mobile	33	43	45	52	54	53	40	33	29	27
   Gasoline Fuel	22	28	33	40	42	42	30	24	21	20
   Diesel Fuel	9	10	9	9	8	8	7	5	4	3
   Other Fuel	3	4	4	3	3	4	4	4	4	4