About This Section

Summary of worldwide engine emission standards—presented in cooperation with Diesel Progress.

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For Beginners

About the basics:
How emissions are regulated.

Disclaimer

In spite of the care taken in the development of emission standard information, the accuracy of data is not warranted. Please read Terms of Use.

North America

United States

New Engine and Vehicle Emissions

On-Board Diagnostics (OBD)

Fuel Economy/Greenhouse Gases

In-Use Engine and Vehicle Emissions

Canada

Mexico

Europe

European Union

Germany

Russia

Sweden

Switzerland

Turkey

Asia

Japan

New Engine and Vehicle Regulations

In-Use Engine and Vehicle Regulations

China

India

Korea (South)

Singapore

Thailand

Australia

South America

Argentina

Brazil

Chile

Peru

International