Chapter 4	Sacramento Valley Air Basin 						Table 4-51			
"NOx Emission Trends (tons/day, annual average)"										
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020
All Sources	329	356	351	384	337	295	246	200	162	137
Stationary Sources	36	30	29	43	45	41	38	40	40	40
Area-wide Sources	7	8	8	9	8	8	8	8	8	9
On-Road Mobile	179	194	208	216	182	147	113	80	53	36
   Gasoline Vehicles	147	148	143	132	112	78	54	38	25	18
   Diesel Vehicles	32	46	65	84	70	68	59	43	27	18
Other Mobile	107	124	107	115	102	99	86	72	61	53
   Gasoline Fuel	3	3	4	5	5	6	7	7	6	6
   Diesel Fuel	103	118	100	108	95	91	76	62	52	44
   Other Fuel	2	2	2	2	2	3	3	3	3	3