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Global baseline assessment of compliance and enforcement programs for vehicle emissions and energy efficiency

As vehicle pollution and fuel efficiency regulations have become more stringent, the technologies required to mitigate emissions and reduce fuel consumption become increasingly complex. One...
Published 2017.11.14: Publication

Electric vehicle capitals of the world: What markets are leading the transition to electric?

This briefing provides an update on the global electric vehicle capitals—that is, the cities leading the transition to electric drive with greater sales and sales shares than other markets. We...
Published 2017.11.08: Publication

From laboratory to road international: A comparison of official and real-world fuel consumption and CO2 values for passenger cars in Europe, the United States, China, and Japan

This study investigates the gap between real-world and official CO2 emission values in the four largest vehicle markets in the world: China, the EU, Japan, and the United States. The analysis shows...
Published 2017.11.05: Publication

Alternative jet fuels: Case study of commercial-scale deployment

Several airlines around the globe have conducted or participated in pilot projects to demonstrate the feasibility of using alternative jet fuel (AJF) on regular flights. However, most of these...
Published 2017.10.24: Publication

Emerging best practices for electric vehicle charging infrastructure

This report provides a global assessment of charging infrastructure deployment practices, challenges, and emerging best practices in major electric vehicle markets. Although most early adopters...
Published 2017.10.04: Publication

Transitioning to zero-emission heavy-duty freight vehicles

In this report, we assess zero-emission heavy-duty vehicle technology to support decarbonization of the freight sector. We compare the evolution of heavy-duty diesel, diesel hybrid, natural gas, fuel...
Published 2017.09.26: Publication

Effective policy design for promoting investment in advanced alternative fuels

Low-carbon fuels produced from non-food feedstocks have the potential to deliver deep greenhouse gas (GHG) reductions in transport fuels, but their commercialization has been slow despite a decade of...
Published 2017.09.21: Publication

Transparency of data in the regulation of vehicle emissions in the European Union and United States

Third-party, confirmatory testing is an important source of credibility in the vehicle type approval process. Access to the vehicle testing data needed to conduct confirmatory testing, however, is...
Published 2017.09.05: Publication

A roadmap for heavy-duty engine CO2 standards within the European Union framework

Four countries—Japan, the United States, Canada, and China—now have CO2 or efficiency standards for heavy-duty vehicles (HDVs). The United States and Canada have separate engine standards in addition...
Published 2017.09.04: Publication

Low-carbon technology pathways for soot-free urban bus fleets in 20 megacities

Urban transit bus fleets are a significant source of air pollutant emissions, including black carbon, a harmful ultrafine particle and potent short-lived climate pollutant. Transit bus fleets are...
Published 2017.08.31: Publication

Status of policies for clean vehicles and fuels in select G20 countries

Realizing the immense opportunity to promote energy efficiency in their economies, G20 economies adopted an Energy Efficiency Action Plan that identified six focus areas for collaborative activity,...
Published 2017.08.15: Publication

New mobility: Today's technology and policy landscape

The phrase “new mobility” has come into widespread use to describe the intersection of new technologies with new business models (and some existing ones). New mobility has the potential to...
Published 2017.07.27: Publication

How rapeseed and soy biodiesel drive oil palm expansion

The role of food-based biofuels in climate mitigation policies such has long been controversial due to their impact on food prices and land use. Even when biofuel feedstocks are grown on existing...
Published 2017.07.27: Publication

Expanding the electric vehicle market in U.S. cities

This paper assesses the U.S. electric vehicle market and the actions driving it, focusing on the 50 most populous U.S. metropolitan areas. This work analyzes the connections among various state and...
Published 2017.07.24: Publication

Diesel Technology Developments

In the analyses for the 2025 corporate average fuel economy (CAFE) and greenhouse gas standards, the U.S. Environmental Protection Agency and the National Highway Traffic Safety Administration...
Published 2017.07.10: Publication

Barriers to the adoption of fuel-saving technologies in the trucking sector

Freight trucks are the backbone of most economies, because they are responsible for a significant portion of goods movement. Although freight trucks make up a relatively small percentage of the on-...
Published 2017.07.07: Publication

2017 Global update: Light-duty vehicle greenhouse gas and fuel economy standards

Global greenhouse gas (GHG) emission and fuel economy standards for light-duty vehicles (LDVs) have progressed significantly in a little more than a decade. Ten years ago, only four governments had...
Published 2017.06.23: Publication

Integrating electric vehicles within U.S. and European efficiency regulations

This paper assesses options for integrating electric vehicles within U.S. and European CO2 emission and efficiency regulations through 2030. The paper evaluates of future electric vehicle penetration...
Published 2017.06.22: Publication

Diesel retrofit technologies and experience for on-road and off-road vehicles

Diesel engines are important power systems for on-road and off-road vehicles. These reliable, fuel-efficient, high-torque engines power the vast majority of the world’s heavy-duty trucks, buses, and...
Published 2017.06.13: Publication

Update: California's electric vehicle market

This briefing summarizes data on the development of the electric vehicle market in California through 2016. It quantifies electric vehicle market growth across California cities and metropolitan...
Published 2017.05.31: Publication

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