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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

Meeting of the G20 Transport Task Group

The G20 Transport Task Group (TTG) held its first in-person meeting in Buenos Aires, Argentina, on 24-25 September 2018. The event was co-hosted by the United States Environmental Protection Agency...
Published 2018.09.06: Event

Costs of emission reduction technologies for diesel engines used in non-road vehicles and equipment

Diesel engines used to power non-road equipment and vehicles, such as agricultural tractors and construction equipment, are a significant source of air pollutant emissions. Several regions around the...
Published 2018.07.11: Publication

Zero emission buses are worth reaching for, but emission performance standards are the low-hanging fruit

Sales of battery electric buses (BEBs) are surging in major cities around the world. Los Angeles, California committed to shift its 2,200 bus fleet to zero-emission buses (including BEBs) by 2030,...Sales of battery electric buses are surging, yet a complete technology transition won't happen overnight. Meanwhile, tightening emission standards on conventionally powered buses would have immediate...
Published 2017.11.16: Blog Post

Accelerating deployment of soot-free bus rapid transit fleets

The Soot-Free Urban Bus Fleets Project aims to secure commitments in 20 megacities to shift new bus procurements to the cleanest bus engine technology. ICCT Clean Air Program Lead Ray Minjares will...
Published 2017.10.18: Event

Financing the transition to soot-free urban bus fleets in 20 megacities

This report addresses the opportunities for facilitating, and the barriers to financing, the transition to soot-free urban bus fleets in 20 megacities. A soot-free engine is any diesel or alternative...
Published 2017.10.11: Publication

A global strategy to introduce low-sulfur fuels and cleaner diesel vehicles

Diesel engines power the dominant share of goods movement, construction equipment, and public transport vehicles in the global economy. This report presents a global strategy to reduce fine...
Published 2016.11.28: Publication

Methodological notes: Global vehicle sales database

Over the past decade, a number of markets have adopted regulations to reduce fuel consumption and emissions of greenhouse gases and conventional pollutants from light-duty vehicles (LDVs) and heavy-...
Published 2015.12.18: Publication

Tim Dallmann

Published 2015.10.08: Profile

Survey of best practices in reducing emissions through vehicle replacement programs

In many regions of the world, older, high-emitting vehicles account for a small percentage of the overall vehicle fleet but a disproportionately large share of total emissions. These vehicles may be...
Published 2015.03.02: 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

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

The impact of vehicle and fuel standards on premature mortality and emissions

Technology-forcing regulations in the United States, European Union, and Japan have resulted in highly effective controls of tailpipe emissions. Advanced aftertreatment technology and engine tuning,...
Published 2013.11.04: Publication

Best practices in emission control of in-use heavy-duty diesel vehicles

This report summarizes policy approaches to controlling in-use emissions from heavy-duty vehicles (HDVs), including freight trucks, buses, municipal government and other service fleets. HDVs, while...
Published 2013.08.02: Publication

Global Fuel Economy Initiative's networking meeting

Materials from the GFEI's global networking meeting, held June 20 and 21 at UNEP's headquarters in Paris, are now online here. Quoting from the GFEI site's description of the event: [D]elegates...
Published 2013.06.25: News

Follow up on 'Environmental Burden Shifting' and Biofuels

In my earlier blog on environmental burden shifting of biofuels, I emphasized the need for developing a holistic framework for low carbon fuel policy to avoid a pitfall that comes with implementing a...The ICCT's work on biofuels focuses on greenhouse gas emissions implications, but it's also important to be aware of the other consequences of expanding the biofuels industry.
Published 2012.10.17: Blog Post

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

Enhancing indigenous land rights may slow deforestation

Transferring land rights to indigenous populations in developing countries may be an effective way to prevent deforestation, according to a new report by the Rights and Resources Initiative (RRI)....The Rights and Resources Initiative (RRI) argues that enhancing indigenous land rights could deliver co-benefits in reduced deforestation
Published 2012.06.11: Blog Post

Transportation efficiency in 2030

Transportation of people and goods currently contributes about a quarter of the world’s greenhouse gas emissions, and this share is growing. Unprecedented income and population growth in the...Modeling different transportation scenarios shows interesting trends in GHG emissions from transport through 2030 given the  "policy pipeline” in the world's largest vehicle markets.
Published 2012.04.27: Blog Post

Inertia classes proposal

Historically the weight of a vehicle was represented by hanging rotating inertia mass on a dynamometer. This approach required the use of discrete inertia classes and an upper limit for inertia mass...
Published 2011.06.17: Publication

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