California Air Resources Board 2004 Almanac (web)								
Chapter 4	Sacramento Valley ROG  Emission Trends				Table 4-38			
"ROG Emission Trends (tons/day, annual average)"								
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010
All Sources	454	442	412	365	302	242	207	187
Stationary Sources	88	64	58	59	48	37	39	43
Area-wide Sources	61	68	66	74	70	68	67	68
On-Road Mobile	272	268	243	180	130	86	62	44
   Gasoline Vehicles	270	265	239	176	126	83	59	42
   Diesel Vehicles	2	3	4	4	3	3	3	2
Other Mobile	33	42	45	52	54	52	39	32