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A global snapshot of the air pollution-related health impacts of transportation sector emissions in 2010 and 2015

Exhaust from vehicles is a major source of outdoor air pollution worldwide. This study links state-of-the-art vehicle emissions, air pollution, and epidemiological models to estimate the impacts of...
Published 2019.02.26: 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

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

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

Impacts and mitigation of excess diesel NOx emissions in 11 major vehicle markets

A new study published online May 15 in the journal Nature quantifies the global health and environmental burden of real-world diesel NOx emissions in 11 major vehicle markets. The study found that...
Published 2017.05.22: Event

Impacts and mitigation of excess diesel NOx emissions in 11 major vehicle markets

Access publication here: Nature, 25 May 2017, doi:10.1038/nature22086 Nitrogen oxide (NOx) emissions from diesel cars, trucks, and buses are a major contributor to air pollution-related deaths...
Published 2017.05.15: Publication

Market penetration of fuel efficiency technologies for heavy-duty vehicles in the European Union, the United States, and China

As the global demand for freight transport continues to grow, improving the efficiency of on-road freight vehicles is an increasingly important step to mitigate the resulting climate impacts, reduce...
Published 2017.05.05: Publication

Managing emissions from non-road vehicles

Non-road vehicles, mainly agricultural and construction equipment, are a key source of pollution in many countries and regions: In the United States, they account for almost three quarters of the...
Published 2017.04.24: Publication

Impacts of world class vehicle efficiency and emissions regulations in select G20 countries

In 2014, the G20 Energy Efficiency Action Plan prioritized the establishment of a Transport Task Group (TTG) to promote cooperation among participating G20 countries to develop domestic policies that...
Published 2017.01.25: Publication

Estimating the fuel efficiency technology potential of heavy-duty trucks in major markets around the world

This study, published by the Global Fuel Economy Initiative, investigates the potential for new freight-hauling tractor-trailers and rigid delivery trucks to improve in efficiency with the adoption...
Published 2016.11.02: Publication

Technology pathways for diesel engines used in non-road vehicles and equipment

Internal combustion engines are ubiquitous in today’s society. Applications for these engines cover a broad spectrum, ranging from vehicles that transport passengers and move goods to specialized...
Published 2016.09.16: Publication

The European Union’s leadership void on heavy-duty vehicle GHG standards

Many countries around the world look to Europe as a guiding example for vehicle and fuel environmental policy. For the past 20 years, India, China, Russia, Australia, Thailand, and S. Korea (to cite...If the European Comission persists in its indecision around GHG regulation for HDVs, they risk falling behind the US and other countries in HDV efficiency technology development and deployment. 
Published 2016.06.13: Blog Post

Policies to reduce fuel consumption, air pollution, and carbon emissions from vehicles in G20 nations

The transport sector consumes more than half of global oil production, and releases nearly a quarter of all anthropogenic carbon dioxide emissions. Motor vehicles and engines contribute to ambient...
Published 2015.06.08: Publication

Truckin’.exe: Using computer simulations to certify the fuel efficiency of trucks

A couple of months ago we published a paper looking at differences in efficiency between EU, US, and Chinese trucks, and we theorized that the adoption of efficiency technologies is likely slower in...A global, harmonized tool for HDV efficiency computer simulations would highly desirable, because it would improve the quality and comparability of data and reduce costs for both regulators and...
Published 2015.06.04: Blog Post

Literature review: Real-world fuel consumption of heavy-duty vehicles in the United States, China, and the European Union

In contrast to passenger cars, data on HDV fuel efficiency are not readily available. That is the primary motivation for this literature review, which provides a summary of recent data on real-world...
Published 2015.02.09: Publication

Global overview of on-board diagnostic (OBD) systems for heavy-duty vehicles

On-board diagnostic (OBD) systems monitor the performance of engine and aftertreatment components, including those responsible for controlling emissions. The OBD system is designed to help ensure...
Published 2015.02.09: Publication

Green Freight at the UNSG Climate Summit next week

At the UN Secretary-General’s Climate Summit in New York City September 23, countries, cities, non-state organizations and private-sector entities will commit to scale up actions to mitigate short-...
Published 2014.09.15: News

Request for Proposals: Scoping Study, International Technology Verification Center

Summary This request for proposals (RFP) seeks a consultant or consulting team with expertise in technologies for freight efficiency, operational strategies, and technology verification to develop a...
Published 2014.05.22: News

CCAC Green Freight Call to Action

The High Level Assembly of the Climate and Clean Air Coalition to Reduce Short-Lived Climate Pollutants (CCAC) met in Warsaw on November 21, one of the events during the recently concluded COP19....
Published 2013.12.05: News

Top vehicle markets, 2012

Our annual look at the largest vehicle markets, in words and pictures (see here for last year's). Thanks to my colleagues Hui He for help with the Wards data, Zifei Yang for coming up with the top 15...Our annual look at the largest vehicle markets, in words and pictures.
Published 2013.10.01: Blog Post

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