| Source
Classification | Tons of Sulfur Dioxide emissions |
|---|
|
| Off-highway Vehicle Diesel
|
496,834 |
| Marine Vessels, Commercial
|
272,854 |
| Highway Vehicles - Gasoline
|
244,839 |
| Highway Vehicles - Diesel
|
118,047 |
| Railroad Equipment
|
114,237 |
| Pleasure Craft
|
20,291 |
| Off-highway Vehicle Gasoline, 4-Stroke
|
14,492 |
| Aircraft
|
11,655 |
| LPG
|
3,137 |
| Off-highway Vehicle Gasoline, 2-Stroke
|
2,649 |
| CNG
|
307 |
|
