Chapter 5 San Francisco Bay Area Table 5-33 San Francisco Bay Area - Acetaldehyde Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 54 4% 1% Area-wide Sources 275 21% 4% On-Road Mobile 332 25% 5% Gasoline Vehicles 151 11% 2% Diesel Vehicles 181 14% 2% Other Mobile 660 50% 9% Gasoline Fuel 103 8% 1% Diesel Fuel 406 31% 6% Other Fuel 150 11% 2% Natural Sources 0 0% 0% Total 1321 100% 18% Total Statewide 7372