

The International Council on Clean Transportation is an independent nonprofit organization founded to provide unbiased research and technical and scientific analysis to environmental regulators. Its mission is to improve the environmental performance and energy efficiency of road, marine, and air transportation, in order to benefit public health and mitigate climate change.
Unlike most markets in Sub-Saharan Africa, South Africa has a strong domestic vehicle manufacturing industry, and has banned the import of used vehicles, which are common in other African nations...
Although heavy-duty vehicles (HDVs) are just 3%–4% of Argentina’s on-road vehicles, not including motorcycles, they contribute an estimated 60% of exhaust fine particulate matter (PM2.5) and 70%...
Presentation by Ms. Carmen Araujo, ICCT on progress on vehicle emissions standards in Brazil, presented at the CCAC Webinar on 3 November 2020.
Presentation by Ms. Leticia Pineda, ICCT on progress on low sulfur fuels and vehicle emissions standards in Mexico and Costa Rica, presented at the CCAC Webinar on 3 November 2020.
Presentation by Francisco Posada, Senior Researcher, ICCT during the Webinar "Supporting cities' transition from diesel to soot-free engine technologies (Part 2: Bangalore, Johannesburg...
Euro VI diesel engines contribute significantly to vehicle emission reductions because they have advanced emission control aftertreatment systems for particulate matter (PM) and nitrogen oxides (...
Despite following somewhat different technological pathways, HD diesel engine designs in the United States and the European Union have converged on a similar package of design elements in order to...
This document presents the planned actions until 2022 under the Global Green Freight Action Plan.
Going forward, we will continue our work across all modes to align green freight programs...
The China 6/VI vehicle emission standards are among the most stringent in the world for the post-2020 timeframe, but their success depends on several factors, including the quality of fuels...
Presentation by Tim Dallmann, Senior Researcher ICCT during the Webinar "Supporting cities' transition from diesel to soot-free engine technologies (Part 2: Bangalore, Johannesburg and...
Vehicles are a major contributor to both poor air quality and climate change in Indonesia, which has the world’s fourth highest mortality rate due to air pollution and a rapidly growing vehicle...
This video is Part 2 of the 2-part webinar series, and focuses on progress in Bangalore, India and Johannesburg, South Africa, and was held on April 9, 2020.
Watch the recording.
This video is Part 1 of the 2-part webinar series, and focuses on progress in Jakarta, Indonesia and Dar es Salaam, Tanzania held on April 8, 2020.
This report links state-of-the-art models on vehicle emissions, air pollution, and epidemiological models to determine how, when, and where transportation emissions are impacting air quality and...
This is the first webinar of a series that highlights the latest efforts to reduce emissions from heavy-duty vehicles. This is a recording of the webinar held on June 4.
Agenda:...
Presentation on China’s Clean Diesel Programs by Hui He, ICCT, delivered at a CCAC Heavy-Duty Vehicles Initiative webinar on 19 September 2019.
This study developed by the International Council on Clean Transportation (ICCT) through the CCAC Heavy-Duty Vehicles Initiative provides information to policymakers in Nigeria to support a...
This report assesses global progress in 2019 toward reducing black carbon emissions from diesel on-road light-duty and heavy-duty vehicles. As of July 2019, 39 countries have implemented “soot-...
The Climate and Clean Air Coalition (CCAC) Heavy-Duty Vehicles Initiative (HDVI) is supporting the Association of South East Asian Nations (ASEAN) to reduce the air pollution and near-term climate...
The South American summit on vehicle emission control was held in Buenos Aires on September 26 and 27, 2018. It aimed to equip South American regulators with knowledge to enhance vehicle emissions...
Supported by the International Council on Clean Transportation’s (ICCT) experience and freight assessment methodologies, the China Automotive Technology and Research Center Beijing Operations (...
This briefing aims to develop an in-depth understanding of China’s road freight system and evaluate the potential benefits of promoting green freight programs in China. In addition, the assessment...
Five briefing papers prepared by Bryan Comer PhD, The International Council on Clean Transportation (ICCT)
The use of heavy fuel oil (HFO) as a marine fuel poses serious environmental and...
This report assesses progress in 2018 toward implementing the Global Strategy to Introduce Low-Sulfur Fuels and Cleaner Diesel Vehicles of the Climate and Clean Air Coalition (CCAC). The rapid...
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...
On the occasion of the tenth ministerial meting of the Arctic Council, signatories pledged to reduce black carbon and methane emissions. Arctic States may reduce Black Carbon emissions 25-33%...
This report presents a bottom-up, activity-based global inventory of BC emissions, residual fuel use, and residual fuel carriage from commercial ships in the global fleet for the year 2015. Ship...
The impact of black carbon emissions on human health and climate are of global interest. Despite this, black carbon emission factors for marine engines and fuels are uncertain...
This document is meant to provide guidance to the logistics sector for the voluntary measurement and reporting of black carbon emissions. This report provides guidelines for calculating black...
BYD Auto Company commits to make soot-free engine techonology available in 20 targeted cities. Read the commitment statement:
Cummins Inc. commits to make soot-free engine techonology available in 20 targeted cities. Read the commitment statement:
Road transportation is one of the leading sources of outdoor air pollution in Southern and Western Africa, particularly in cities, where emissions from light- and heavy-duty vehicles, minibuses,...
The aim of the Heavy-Duty Diesel Initiative of the Climate and Clean Air Coalition is to virtually eliminate black carbon and fine particulate emissions from the on-road vehicle fleet by 2030. The...
Urban buses produce one-quarter of black carbon emissions from road transport, despite constituting only 1% of the global on-road vehicle fleet. Black carbon is a potent short-lived climate...
This document provides step-by-step guidance for conducting a freight assessment when the ultimate goal is to develop a green freight program. As more countries and regions explore ways to reduce...
This document is the public statement commitment signed by manufacturers of buses and engines on 27 September, 2017. Manufacturers have committed to:
This study shows that in almost all cases, a switch away from dedicated CNG and diesel buses can be justified not only to achieve soot-free emissions but also to generate the greatest climate...
This Mexico Freight Assessment was conducted in 2017 for the International Council on Clean Transportation (ICCT) by the Sustainable Transport and Emissions Services Company, TSTES SA de CV,...
Dwindling sea ice is opening new shipping routes through the Arctic, with shipping activity expected to increase with oil and gas development and as ships take advantage of shorter trans-Arctic...
Scania commits to make soot-free engine techonology available in 20 targeted cities. Read the commitment statement:
This paper provides an update to the 2015 report, Policies to reduce fuel consumption, air pollution, and carbon emissions from vehicles in G20 nations, which summarized the status of clean...
This report presents an analysis and evaluation of the current and prospective of freight sector in Viet Nam, focusing on heavy-duty trucks. It also proposes actions for the development of green...
Volvo Bus Corporation commits to make soot-free engine techonology available in 20 targeted cities. Read the commitment statement:
Diesel engines power the dominant share of goods movement, construction equipment, and public transport vehicles in the global economy. This strategy presents a roadmap to reduce small ...
Draft Agenda of the Mexico City Workshop on Soot Free Urban Bus Fleets, taking place in Mexico on September 28-29, 2016.
Facsheet prepared by the CCAC on the Coalition's efforts to reduce emissions of black carbon, other pollutants and greenhouse gases from the freight sector.
Prodcued by: ...
Facsheet prepared by the CCAC on the Coalition's efforts to reduce black carbon emissions from ports and marine vessels.
This presentation discusses the reasons why the world should reduce black carbon emissions from diesel vehicles and outlines the strategy to do so via the...
Presentation by Ray Minjares, Clean Air Program Lead at ICCT, making the case for cities to make the switch to soot-free bus fleets.
Key Topics:
The goal of the Global Green Freight Action Plan is to facilitate collaboration among governments, the private sector, and civil society to enhance the efficiency of global goods movement in...
Facsheet prepared by the CCAC on Carbon Emissions from Heavy Duty Diesel Vehicles and Engines. (December 2015)
Black carbon is the second largest contributor to human-induced climate warming, after carbon dioxide. International shipping is a major source of diesel black carbon emissions and not yet subject...
This paper makes the case for cities around the world to establish a commitment to shift toward soot-free low carbon urban bus fleets. The paper was created for the EcoMobility World...
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. It is estimated...
This market baseline study provides a global overview of auto fuel (both crude and refined) and vehicle markets in various sub-regions where higher sulphur fuels (in particular, diesel fuel) are...
This policy update looks at a proposed 2014 update by Mexico's Secretariat of Environment and Natural Resources (SEMARNAT) to existing emissions standards regulating particulate matter (PM),...
Jakarta’s expanding fleet of motor vehicles is a key target of urgently needed actions to curb the city’s dangerous air pollution.1,2 This briefing paper highlights technologies and policies to...
There are many ways to improve air quality and reduce the climate-forcing impacts of vehicle use. Often overlooked in discussions of advanced vehicle technology and alternative fuels are the...