California Air Resources Board 2009 Almanac (web) Chapter 2 Statewide Table 2-18 CO Emissions (annual average) Emissions Source tons/day Percent Stationary Sources 317.27 3% Area-wide Sources 1967.77 17% On-Road Mobile 6098.75 54% Gasoline Vehicles 5831.26 51% Diesel Vehicles 267.49 2% Other Mobile 2943.29 26% Gasoline Vehicles 2208.45 19% Diesel Vehicles 365.80 3% Other 369.05 3% Total Statewide 11327.09 100%