California Air Resources Board 2006 Almanac (web) Chapter 5 San Joaquin Valley Table 5-44 San Joaquin Valley - Acetaldehyde Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 70 6% 1% Area-wide Sources 185 16% 2% On-Road Mobile 268 24% 3% Gasoline Vehicles 102 9% 1% Diesel Vehicles 166 15% 2% Other Mobile 614 54% 8% Gasoline Fuel 86 8% 1% Diesel Fuel 375 33% 5% Other Fuel 154 14% 2% Natural Sources 0 0% 0% Total 1136 100% 15% Total Statewide 7675