2003 Almanac (page 58) Table 2-3 NOx Sources - Statewide NOx Emissions (annual average) Emissions Source tons/day Percent Stationary Sources 610 18% Area-wide Sources 93 3% On-Road Mobile 1728 51% Gasoline Vehicles 983 29% Diesel Vehicles 745 22% Other Mobile 966 28% Total Statewide 3397 100%