About
News
Events
Programmes
Help centre

Skip navigation

Energy system
Explore the energy system by fuel, technology or sector
Fossil Fuels

Renewables

Electricity

Low-Emissions Fuels

Transport

Industry

Buildings

Energy Efficiency and Demand

Carbon Capture Utilisation and Storage

Decarbonisation Enablers

Buildings

Energy Efficiency and Demand

Carbon Capture Utilisation and Storage

Decarbonisation Enablers
Explore all
Topics
Understand the biggest energy challenges
Energy Security

Artificial Intelligence

Critical Minerals

Access and Affordability

Investment

Climate Change

Net Zero Emissions

Russia's War on Ukraine

Energy and Gender

Energy and Water

Net Zero Emissions

Russia's War on Ukraine

Energy and Gender

Energy and Water

Fossil Fuel Subsidies

Saving Energy

Global Energy Crisis

The IEA's 50th Anniversary
All topics
Countries
Explore the energy system by country or region
Member countries

Australia

Austria

Belgium

Canada

Czechia

Denmark

Estonia

Finland

France

Germany

Greece

Hungary

Ireland

Italy

Japan

Korea

Latvia

Lithuania

Luxembourg

Mexico

New Zealand

Norway

Poland

Portugal

Slovak Republic

Spain

Sweden

Switzerland

The Netherlands

Türkiye

United Kingdom

United States

Accession countries

Chile

Colombia

Costa Rica

Israel

Association countries

Argentina

Brazil

China

Egypt

India

Indonesia

Kenya

Morocco

Senegal

Singapore

South Africa

Thailand

Ukraine
All Countries and Regions
Data

Use, download and buy global energy data

Data explorers

Understand and manipulate data with easy to use explorers and trackers

Data sets

Free and paid data sets from across the energy system available for download

Policies database

Past, existing or planned government policies and measures

Chart Library

Access every chart published across all IEA reports and analysis

Explore data
Reports
Read the latest analysis from the IEA
All reports
1

Sign In

You are connecting via IP recognition from
.

If you wish to proceed, click on Connect.
If you prefer to log into your personal account, please sign in below.

Connect

OR

Email *

Password * Forgot password?

Create an account

Create a free IEA account to download our reports or subcribe to a paid service.

Join for free

Important message for WDS users

The IEA has discontinued providing data in the Beyond 2020 format (IVT files and through WDS). Data is now available through the .Stat Data Explorer, which also allows users to export data in Excel and CSV formats.

Read documentation

Policies database

About All policies

55 Policies

Download

Filters (2)Clear all

- Transport (55)
- International (30)
- National (25)

Fuel efficiency standards In force Clear all

Policy

Country

Status

Jurisdiction

Greenhouse Gas Emissions Standards for Heavy-Duty Engines and Vehicles-Phase 3
United States 2027 In force National
Multi-Pollutant Emissions Standards for Model Years 2027 and Later LightDuty and Medium-Duty Vehicles
United States 2027 In force National
Australia New Vehicle Efficiency Standard (2025-2029)
Australia 2025 In force National
New Heavy Duty Vehicles (Carbon Dioxide Emission Performance Standards) (Miscellaneous Amendments) Regulations 2025
United Kingdom 2025 In force National
Law 21305 on Energy Efficiency
Chile 2024 In force National
NOM-163-SEMARNAT-SCFI-2023: Light Duty Vehicles CO2 Emission Standards
Mexico 2024 In force National
Saudi Arabia Corporate Average Fuel Economy (CAFE) standards for light-duty vehicles (2024-2028)
Saudi Arabia 2024 In force National
Clean Vehicle Standard 2022 Regulations
New Zealand 2023 In force National
Corporate Average Fuel Economy Standards for Model Years 2024-2026 Passenger Cars and Light Trucks
United States 2022 In force National
2021 Ordinance on the Reduction of CO2 Emissions - Light Duty Vehicles
Switzerland 2021 In force National
GB/T 19578-2021 on Passenger Vehicle Fuel Consumption Limit
People's Republic of China 2021 In force National
S.O. 3215 - Fuel consumption standards for heavy-duty vehicles 2020
India 2021 In force National
The Passenger Car Regulations
United Kingdom 2021 In force National
Fuel Consumption Standard
Israel 2020 In force National
Kenya National Energy Efficiency and Conservation Strategy
Kenya 2020 In force National
Regulation (EU) 2019/631 on CO2 emission performance standards for new passenger cars and for new light commercial vehicles
European Union 2020 In force International
Regulation (EU) 2019/631 on CO2 emission performance standards for new passenger cars and for new light commercial vehicles
Sweden 2020 In force International
Regulation (EU) 2019/631 on CO2 emission performance standards for new passenger cars and for new light commercial vehicles
Slovak Republic 2020 In force International
Regulation (EU) 2019/631 on CO2 emission performance standards for new passenger cars and for new light commercial vehicles
Spain 2020 In force International
Regulation (EU) 2019/631 on CO2 emission performance standards for new passenger cars and for new light commercial vehicles
European Union 2020 In force International
Regulation (EU) 2019/631 on CO2 emission performance standards for new passenger cars and for new light commercial vehicles
Greece 2020 In force International
Regulation (EU) 2019/631 on CO2 emission performance standards for new passenger cars and for new light commercial vehicles
Malta 2020 In force International
Regulation (EU) 2019/631 on CO2 emission performance standards for new passenger cars and for new light commercial vehicles
Austria 2020 In force International
Regulation (EU) 2019/631 on CO2 emission performance standards for new passenger cars and for new light commercial vehicles
Belgium 2020 In force International
Regulation (EU) 2019/631 on CO2 emission performance standards for new passenger cars and for new light commercial vehicles
Ireland 2020 In force International
Regulation (EU) 2019/631 on CO2 emission performance standards for new passenger cars and for new light commercial vehicles
Slovenia 2020 In force International
Regulation (EU) 2019/631 on CO2 emission performance standards for new passenger cars and for new light commercial vehicles
France 2020 In force International
Regulation (EU) 2019/631 on CO2 emission performance standards for new passenger cars and for new light commercial vehicles
Croatia 2020 In force International
Regulation (EU) 2019/631 on CO2 emission performance standards for new passenger cars and for new light commercial vehicles
Cyprus 2020 In force International
Regulation (EU) 2019/631 on CO2 emission performance standards for new passenger cars and for new light commercial vehicles
Hungary 2020 In force International

1
2

Get updates on the IEA’s latest news, analysis, data and events delivered twice monthly.

View sample Explore our other newsletters

Browse
Topics
Countries & regions
Energy system
Programmes

Explore
Reports
Data & statistics

Learn
About
News and commentaries
Events
Glossary

Connect
Contact
Press
Jobs
Delegates

Follow

©IEA 2025

Terms
Privacy

Subscription successful

Thank you for subscribing. You can unsubscribe at any time by clicking the link at the bottom of any IEA newsletter.

Member countries

Accession countries

Association countries

Oil Market Report - March 2025

Energy Technology Perspectives 2024

World Energy Outlook 2024

Net Zero Roadmap: A Global Pathway to Keep the 1.5 °C Goal in Reach

Important message for WDS users

Policies database