2003 Almanac (page 144)  Table 4-11  Ozone Precursor Emission Trends and Forecasts - NOx								
San Francisco Bay Area Air Basin								

"NOx Emission Trends (tons/day, annual average)"								
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010
All Sources	999	990	928	898	759	668	542	453
Stationary Sources	247	224	154	152	120	121	74	75
Area-wide Sources	16	17	18	22	23	22	22	22
On-Road Mobile	552	570	566	524	437	352	286	217
   Gasoline Vehicles	497	478	417	348	294	208	155	114
   Diesel Vehicles	55	92	149	176	142	144	131	103
Other Mobile	183	179	190	200	179	173	160	138