Sacramento Valley - Diesel Particulate Matter Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 1 0% 0% Area-wide Sources 0 0% 0% On-Road Mobile 624 28% 3% Gasoline Vehicles 0 0% 0% Diesel Vehicles 624 28% 3% Other Mobile 1626 72% 7% Natural Sources 0 0% 0% Total 2251 100% 9% Total Statewide 24808