What are Mobile Sources?
Mobile Sources include a variety of vehicles, engines, and equipment that generate air pollution, and that move or can be moved from place to place. There are two categories of mobile sources: on-road vehicles and nonroad vehicles.
On-road vehicles include:
- Light-duty vehicles
- Light-duty trucks
- Heavy-duty vehicles
- Medium-duty passenger vehicles
- Motorcycles
Nonroad vehicles include off-road gasoline, diesel, and equipment vehicles such as:
- Aircraft
- Airport service equipment and vehicles
- Commercial equipment
- Construction equipment and vehicles
- Farm equipment
- Industrial equipment
- Lawn and garden equipment
- Locomotives
- Logging equipment
- Marine vessels
- Railway maintenance equipment
- Recreational engines and vehicles
- Recreational marine vessels
