2003 Almanac (page 190)  Table 4-37  Ozone Precursor Emission Trends and Forecasts - NOx								
Sacramento Valley Air Basin								

"NOx Emission Trends (tons/day, annual average)"								
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010
All Sources	341	378	358	385	333	289	242	198
Stationary Sources	37	35	31	49	52	47	46	48
Area-wide Sources	8	8	8	9	8	8	8	8
On-Road Mobile	179	194	208	216	182	147	113	80
   Gasoline Vehicles	147	148	143	132	112	78	54	38
   Diesel Vehicles	32	46	65	84	70	68	59	43
Other Mobile	118	142	111	110	92	88	75	61