Chapter 4	Sacramento Valley Air Basin 						Table 4-55			
"NOx Emission Trends (tons/day, annual average)"										
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020
All Sources	334	351	342	381	353	318	292	249	198	161
Stationary Sources	37	32	31	44	45	42	39	38	37	36
Area-wide Sources	9	9	10	10	9	9	9	9	9	9
On-Road Mobile	186	194	202	215	196	167	154	127	88	62
   Gasoline Vehicles	156	158	151	144	123	88	59	42	30	22
   Diesel Vehicles	30	35	51	72	74	79	96	85	58	40
Other Mobile	102	116	100	112	102	100	89	75	64	54
   Gasoline Fuel	3	4	5	6	5	5	7	7	7	6
   Diesel Fuel	96	109	92	104	94	91	78	65	53	44
   Other Fuel	2	3	3	3	3	4	3	3	4	4