Chapter 5 Statewide Table 5-6 "1,3-Butadiene" Emissions Source tons/year Percent State Stationary Sources 23 1% Area-wide Sources 391 13% On-Road Mobile 1347 44% Gasoline Vehicles 1322 44% Diesel Vehicles 25 1% Other Mobile 1186 39% Gasoline Fuel 893 29% Diesel Fuel 59 2% Other Fuel 234 8% Natural Sources 82 3% Total Statewide 3030 100%