| Source
Classification | Tons of PM-2.5 emissions |
|---|
|
| Unpaved Roads
|
1,406,575 |
| Paved Roads
|
681,533 |
| Off-highway Vehicle Diesel
|
229,892 |
| Highway Vehicles - Diesel
|
165,665 |
| Highway Vehicles - Gasoline
|
63,579 |
| Off-highway Vehicle Gasoline, 2-Stroke
|
42,263 |
| Marine Vessels, Commercial
|
40,044 |
| Pleasure Craft
|
37,829 |
| Aircraft
|
28,392 |
| Railroad Equipment
|
27,826 |
| Off-highway Vehicle Gasoline, 4-Stroke
|
4,366 |
| LPG
|
1,454 |
| CNG
|
202 |
|
