California Air Resources Board 2006 Almanac (web) Chapter 2 ROG Statewide Table 2-4 ROG Emissions (annual average) Emissions Source tons/day Percent Stationary Sources 473 30% Area-wide Sources 751 47% On-Road Mobile 349 22% Gasoline Vehicles 320 20% Diesel Vehicles 28 2% Other Mobile 17 1% Gasoline Vehicles -95 -6% Diesel Vehicles 71 4% Other 42 3% Total Statewide 1589 100%