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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

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

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

Identifying clean vehicles to improve air quality in Paris and London [press statement]

(29 March 2017) The International Council on Clean Transportation is honored to be asked to collaborate with the cities of Paris and London, together with C40 Cities, the FIA Foundation, and others,...
Published 2017.03.29: News

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

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

European Stage V non-road emission standards

The European Commission has proposed the world’s toughest emission standards for non-road mobile machinery (NRMM), such as construction equipment, railroad engines, inland waterway vessels, and off-...
Published 2016.11.21: 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

Opel's admissions of defeat device calibrations

A little while ago I blogged about the widespread practice by automakers in the EU of reducing nitrogen oxide (NOx) emission controls at ambient temperatures below 10 °C–17 °C and after a hot restart...Opel admits to reducing vehicle emission controls based on conditions other than ambient temperature or restart. Opel says its “engines are in compliance” in Europe. But, once again, they would not...
Published 2016.06.15: Blog Post

First look: Results of the German transport ministry's post-VW vehicle testing

In September 2015, shortly after it became known that Volkswagen applied illegal defeat devices in some of its diesel vehicles, the German Ministry for Transport (BMVI) commissioned a series of...Germany, the UK, and France last week released results of testing they commenced after VW admitted to using defeat devices to circumvent emissions tests. The situation seems even worse than expected...
Published 2016.04.25: Blog Post

The European Real-Driving Emissions Regulation

Beginning in 2017, the European Union’s emissions type-approval procedure for passenger cars will include a new Real-Driving Emissions (RDE) test conducted using on-board portable emissions...
Published 2015.12.28: Publication

[Press release] Vehicle tests show dramatic variation in NOx emissions from modern diesel cars on new EU test cycle, with exceedances up to 15 times the current regulatory limit

Some automakers meeting diesel NOx emissions standards under more realistic driving conditions, while others lag badly. The technologies to control emissions of nitrogen oxides (NOx) from modern...
Published 2015.09.03: News

NOx control technologies for Euro 6 diesel passenger cars

Controlling nitrogen oxide (NOx) emissions from Euro 6 diesel passenger cars is one of the biggest technical challenges facing automakers. Euro 6 limits NOx emissions from diesel passenger cars to 80...
Published 2015.09.03: 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

Tightening vehicle and fuels standards to benefit global health and climate

Study finds that more stringent standards worldwide could dramatically reduce premature mortality while cutting short-lived climate pollutant emissions as much as 80%. Download the report [.pdf]...
Published 2013.11.12: News

Arctic sea shipping: Emissions matter more than you might think

Not so long ago, explorers risked their lives and the lives of their crews in search of the fabled Northwest Passage. Now the question is no longer if a route through the Arctic exists but how many...More vessels plying Arctic shipping routes may reduce long-lived GHG emissions only to increase emissions of short-lived climate pollutants in an already delicate environment.
Published 2013.10.02: Blog Post

Upstream climate impacts of R-134a and R-1234yf

All common refrigerants used in air conditioning and refrigeration systems in vehicles today are potent greenhouse gases (one kilogram of the common refrigerant R-134a is equivalent to 1430 kg of CO2...
Published 2013.09.09: Publication

Update: MMT

We've had requests for a September 2010 update on the situation regarding the fuel additive MMT that was inadvertently vaporized in the course of a website overhaul in late 2011. Text of the 2010...Quick summary of developments in policy on the fuel additive MMT over the last three years in China, Canada, California, and the EU.
Published 2012.02.16: Blog Post

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