Resources » Emission Inventories » Emission Certification Data

UK: New Car Fuel Consumption and Emission Figures

Vehicle Certification Agency (VCA)

Emission certification and fuel consumption figures for new cars in the UK. Available as both an on-line searchable database and an Excel/Access file.
US: Vehicle Emission Certification Information

US EPA

Light duty vehicles: emission certification information page.
US: Annual Certification Test Results & Data

US EPA

Light duty vehicles: emission certification database.
US: Engine Certification Information Center

US EPA

Emission certification data on heavy-duty CI engines, marine SI engines, and small utility engines.
US-California: Onroad Certification Database

California ARB

Emission certification data and California Executive Orders for onroad vehicles and engines.
US-California: Off-Road Certification Database

California ARB

Emission certification data and California Executive Orders on off-road diesel engines, small off-road spark-ignition engines, and spark-ignition marine engines.