California Air Resources Board 2004 Almanac (web) Chapter 2 2003 Statewide ROG Emissions Table 2-4 ROG Emissions (annual average) Emissions Source tons/day Percent Stationary Sources 511 20% Area-wide Sources 709 27% On-Road Mobile 880 34% Gasoline Vehicles 849 33% Diesel Vehicles 30 1% Other Mobile 509 20% Total Statewide 2609 100%