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Silent but deadly: The case of shipping emissions

Earlier this month a group of researchers from the ICCT, The George Washington University Milken Institute School of Public Health, and the University of Colorado Boulder released a new study...The health impacts of light-duty diesels are widely known today. But a new global study analyzing early deaths from transportation air pollution also highlights a lesser known culprit: international...
Published 2019.03.22: Blog Post

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

States and cities seeking to maintain clean car standards

On August 2nd, 2018 the U.S. Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) and the U.S. Environmental Protection Agency (EPA) issued a notice of proposed...
Published 2018.08.21: Publication

Comments regarding EPA glider truck proposal, December 2017

Oral and written comments by Rachel Muncrief at a public hearing on the EPA proposal to repeal emission requirements for glider vehicles, glider engines, and glider kits established in the Phase 2...
Published 2017.12.06: News

Scott Pruitt’s EPA wants to resurrect the dirty diesel

Can’t get enough of zombie movies? Well, get ready for a real-life version. Scott Pruitt’s EPA is bringing the oldest and dirtiest diesel engines back from the dead—but disguising them in a shiny new...Additional NOx emissions from gliders under the Pruitt proposal would be 13 times what the impact of the Volkswagen fraud in the U.S. would have been had it gone undetected.
Published 2017.12.01: Blog Post

Glider industry petition in support of glider trucks debunks itself

It's not the most important or even the worst thing about the Pruitt EPA's proposal to reverse course on closing a loophole in the emissions regulations for heavy-duty vehicles that left "gliders"—...The summary of a "study" that the glider industry used to support its claim that EPA was wrong about how dirty gliders are is fingernails-on-a-chalkboard aggravating.
Published 2017.11.29: Blog Post

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

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

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

First look: Results of post-VW diesel vehicle testing in France, UK

On April 7, the French government released initial results of the diesel emissions screening campaign it conducted in the wake of the revelations about VW's use of defeat devices. The UK and Germany...Further summary of initial results of diesel emissions screening tests being conducted in Europe in the wake of last year's revelations about VW's use of defeat devices.
Published 2016.04.28: Blog Post

The future of vehicle emissions testing and compliance

A growing body of evidence indicates that one of the reasons for a rapidly growing discrepancy between official and real-world fuel consumption and emission values of new passenger cars is...
Published 2015.11.23: Publication

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

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

What might US-China collaboration on clean fuels and vehicles focus on?

My colleague Nic Lutsey recently blogged about a new development in US-China climate collaboration: a focus on improving the efficiency of heavy-duty trucks. Trucks are a large and growing...The US-China Climate Change Working Group also has great potential to deliver direct health benefits beyond its climate change mitigation impact.
Published 2013.08.02: Blog Post

Tier 3 motor vehicle emission and fuel standards (NPRM)

  The U.S. EPA has proposed new vehicle emissions and fuel quality standards intended to reduce air pollution from motor vehicles. The proposed standards, which will be phased in from 2017 to 2025 (...
Published 2013.05.03: Publication

Estimated cost of emission reduction technologies for LDVs

The cost of meeting standards for conventional pollutant emissions is a perennial bone of contention in arguments over vehicle emission regulations. The public health benefits of the most stringent...
Published 2012.06.11: Publication