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An overview of CO2 emissions reduction, fuel and technology trends, and market share of new passenger cars in the European Union.

This briefing summarizes the eco-innovation provision, investigates the types and market uptake of approved eco-innovations, and discusses how regulatory developments could affect eco-innovations in the future.

This briefing compares the fleet characteristics and fuel-efficiency technology deployment in China, Europe and the U.S. from 2010 to 2014. In addition, the briefing evaluates the response of the passenger vehicle market in China to the country’s fuel efficiency standards.


Reveals that the efforts made by multiple Transport Task Group (TTG) countries to promote and support policies and programs—including stringent tailpipe emissions standards, fuel economy standards, low sulfur fuels, and green freight programs—are in good alignment with the long-term perspective and pathways of the Transport Task Group defined in the G20 Energy Efficiency Leading Programme.

Publication: Briefing

Outlines the current procedure for the determination of fuel consumption, carbon dioxide (CO2) emissions, electric energy consumption, and electric range, specifically for PHEVs in Europe, highlights the most relevant changes expected with the introduction of the new Worldwide Harmonized Light Vehicles Test Procedure (WLTP) and discusses key differences between the EU and U.S. test procedures for PHEVs.

Publication: Briefing

Examines the link between soybean and rapeseed biodiesel and palm oil in light of a new study on substitution effects.

Publication: Briefing

Evaluates the European Commission’s version of the proposed EU new motor vehicle type-approval framework, where it relates to market surveillance activities, and proposes specific ways in which it could be strengthened.

Publication: Briefing

Highlights important innovations and trends in diesel engines and emission control systems, some of which were not considered when the 2025 CAFE and greenhouse gas standards were finalized, yet promise to improve diesel passenger vehicles’ cost-effectiveness, especially for larger classes.

Publication: Briefing

Summarizes the key barriers that impede the adoption of fuel-saving technologies in the trucking sector and discusses some of the ways policymakers can combat them.

Publication: Briefing

Summarizes and analyzes preliminary data for 2016 recently released by the European Environment Agency (EEA) on CO2 emissions from new passenger cars in the EU. New cars sold in the EU in 2015 had average CO2 emissions of 118 g CO2/km, which was 1.2% lower than in 2015.

Publication: Briefing

Analyzes impacts of emerging vehicle efficiency technologies on consumer fuel savings, benefit-to-cost ratio, and payback period in the 2025–2030 time frame.

Publication: Briefing

Summarizes the status of electric vehicle market in California through 2016, quantifying electric vehicle market growth across California cities and metropolitan areas.

Publication: Briefing

Evaluates the trajectory of GHG emissions from international aviation in the U.S. and Canada as well as the possible GHG reductions that could be made from deployment of alternative jet fuels (AJFs) within the framework of the International Civil Aviation Organization’s (ICAO) Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA).

Publication: Briefing