California Air Resources Board 2006 Almanac (web) Chapter 5 Sacramento Valley Table 5-66 Sacramento Valley - Acetaldehyde Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 27 3% 0% Area-wide Sources 301 35% 4% On-Road Mobile 148 17% 2% Gasoline Vehicles 70 8% 1% Diesel Vehicles 78 9% 1% Other Mobile 377 44% 5% Gasoline Fuel 96 11% 1% Diesel Fuel 221 26% 3% Other Fuel 60 7% 1% Natural Sources 0 0% 0% Total 854 100% 11% Total Statewide 7675