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Regulations for Emissions from Vehicles and Engines

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.

Improvements for Heavy-Duty Engine and Vehicle Test Procedures, and other Technical Amendments

Aircraft Regulations

Heavy Equipment Regulations

Locomotive Regulations

Marine Regulations

Recreational Vehicle Regulations

Small Equipment and Tools Regulations