2002 Almanac (page 148)  Table 4-10  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	951	966	899	866	746	636	546	443
Stationary Sources	239	217	145	139	113	91	87	88
Area-wide Sources	20	22	20	23	24	23	22	22
On-Road Mobile	525	567	562	518	432	349	279	198
   Gasoline Vehicles	484	495	438	358	303	218	161	113
   Diesel Vehicles	42	72	124	160	129	131	118	86
Other Mobile	167	160	172	185	177	174	159	134