Certification and Compliance for Onroad Vehicles and Engines

There are three types of onroad vehicles and engines:

Passenger Cars and Trucks (Light-Duty)

• Certification and fuel economy for passenger cars and trucks
• Compliance reporting for passenger cars and trucks
• Vehicle and engine alternative fuel conversions
• Compliance information for light-duty Greenhouse Gas (GHG) Standards
• Evaluation program for aftermarket retrofit devices
• EPA’s emissions test program for privately-owned vehicles (EPA In-Use Surveillance Verification Program)

Commercial Trucks and Buses (Heavy-Duty)

• Certification for commercial trucks and buses
• Compliance reporting for commercial trucks and buses
• Vehicle and engine alternative fuel conversions

Motorcycles (Light-Duty)

• Certification for non-electric motorcycles
• Compliance reporting for non-electric motorcycles
• Confirmatory testing

• Certification for electric motorcycles
• Compliance reporting for electric motorcycles