"NOX Emission Trends (tons/day, annual average)"								
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010
All Sources	645	801	809	791	688	596	526	468
Stationary Sources	210	298	301	247	199	184	194	205
Area-wide Sources	7	9	10	10	11	11	12	13
On-Road Mobile	221	250	305	349	325	255	196	149
   Gasoline Vehicles	176	181	194	211	207	164	116	85
   Diesel Vehicles	45	69	110	138	118	91	79	65
Other Mobile	207	243	193	185	153	146	125	101