Regulations for Emissions from Nonroad Vehicles and Engines
Nonroad engines are used in an extremely wide range of applications, each involving great differences in operating characteristics, engine technology, and market dynamics. EPA has adopted emission standards for all types of nonroad engines, equipment, and vehicles. These standards apply separately for each of the categories below.
Final Rule Improvements Heavy Duty Engine and Vehicle Test
Aircraft Regulations
- Greenhouse gas emissions from aircraft
- Emissions from aircraft engines
- Lead emissions from aircraft
- Information on contrails from aircraft
- EPA Collaboration on International Air Pollution Standards for Aircraft
Heavy Equipment Regulations
- Emissions from heavy equipment with spark-ignition engines
- Emissions from heavy equipment with compression-ignition (diesel) engines
Locomotive Regulations
Marine Regulations
- Regulations for emissions from marine spark-ignition engines
- Domestic regulations for emissions from marine compression-ignition (diesel) engines
- International standards to reduce emissions from marine diesel engines and their fuels