Chapter 4	San Francisco Bay Area Air Basin 						Table 4-16			
"NOx Emission Trends (tons/day, annual average)"										
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020
All Sources	928	904	808	787	718	614	488	414	335	284
Stationary Sources	229	206	135	127	116	87	52	51	53	56
Area-wide Sources	11	12	13	16	17	17	17	17	18	18
On-Road Mobile	542	540	500	453	385	312	234	181	124	88
   Gasoline Vehicles	516	493	427	356	296	215	128	86	59	42
   Diesel Vehicles	26	47	73	97	89	98	106	94	64	46
Other Mobile	145	145	160	191	200	198	186	165	140	122
   Gasoline Fuel	10	10	11	13	14	13	13	11	10	10
   Diesel Fuel	115	115	125	151	157	152	140	123	97	75
   Other Fuel	20	21	24	27	30	33	33	31	33	36