Projet climat et air pur dans les villes latino-américaines (CALAC+) (angl.)

Le programme Air pur et climat dans les villes d'Amérique latine (CALAC+) poursuit une vision de villes plus saines qui réduisent leurs émissions de polluants climatiques de courte durée (tels que le carbone noir), de gaz atmosphériques et de gaz à effet de serre, en favorisant un passage à des bus urbains sans suie et à faible teneur en carbone et à des machines tout-terrain.
Santiago, Chile
Bogotá, Colombia
Lima, Peru
Mexico City, Mexico
Chili, Colombie, Mexique, Pérou
Durée du projet
2018 - 2021
Financé par
  • Direction du développement et de la coopération DDC

Le projet

The Paris Climate Agreement adopted in December 2015 provides a clear signal from countries towards reducing emissions and build resilience to climate change impacts within the transport sector.

Thanks to its management and technical expertise, Switzerland contributes significantly to the transformation of cleaner transport in Latin American cities, to achieve the reduction of short-lived climate pollutants such as black coal and greenhouse gas emissions, promoting the transfer of knowledge and experience with a North-South and South-South regional and international cooperation approach.


The overall objective of CALAC+ is to reduce harmful air pollutants in Latin American capitals through the deployment of soot-free engines in urban public transport and off-road machinery to protect human health and mitigate climate change.

The program's overall objective for a second phase is to reduce harmful air pollutants and greenhouse gas emissions in major Latin American cities by deploying clean soot-free engine technologies and other pollutants in urban public transport and non-road mobile machinery to protect human health and mitigate climate change.

The project pursues a vision of healthier and more sustainable cities that seek to reduce emissions of black carbon and other pollutants by encouraging a shift to soot-free, low-carbon city buses and off-road machinery

Transport plus propre

Ensure that emissions of ultrafine particulate matter, black carbon and greenhouse gases from urban public transport systems are significantly and sustainably reduced through technical assistance. Support to improve legal frameworks, environmental and transport regulations (at municipal and national levels), investment planning and institutional capacity building by creating conducive conditions to the establishment of soot-free and low-carbon technologies.

Incubateur de politiques publiques pour les engins mobiles non routiers

Support the development of intelligent policies for a significant reduction of ultrafine particles, black carbon and greenhouse gases from off-road urban machinery (construction and industry sectors), emissions that are not yet regulated in Latin America, but which contribute strongly to poor air quality, negative impacts on human health and climate change.

Coopération régionale et mondiale

The experience generated by the program on policies, actions and sustainable technologies, good practices and successful lessons learned, are disseminated regionally and globally, and are posted on existing networks and platforms, such as the Climate & Clean Air Coalition (CCAC) and the Pacific Alliance; in this way the regional experts are linked with other decision makers and the academic sector.

Résultats 2018-2021

• Promote the introduction of Euro VI technology to reduce emissions in the urban bus fleet, mainly in Peru and Mexico, which were taken from the experience of Chile and Colombia.

• Evaluate the efficiency of electric buses in circulation in Santiago and their life cycle, so that cities such as Bogotá and Lima, which are interested in acquiring such units, can make a decision at a time when these cities are in the process of expanding or renewing their vehicular fleets.

• A contribution in the introduction of new technologies for the revision and inspection of diesel vehicles has been made in the four countries, as well as promoting a strategy for vehicle renewal such as the environmental labeling done in Colombia.

• The importance of addressing the contribution of MMNC emissions has been made visible, and in Colombia has resulted in the regulation of emission standards for new machinery entering the country,

  • Mexico City and Lima have been working on incorporating them in the city's decontamination plans,
  • Chile, was able to enhance the positioning and scope of the country's internal objectives for the reduction of emissions from this type of machinery
  • Accompaniment in the implementation of filters in the MOP (Ministry of Public Works) equipment, an experience with great replication potential.

• Calculation tools have been developed that are already in use by our partners:

  • HEBASH: a tool for evaluating environmental and human health benefits derived from measures to improve air quality.
  • HEMAQ: a tool for analyzing the economic and environmental impact of migration to emission standards for MMNC.
  • HETRANS: a tool for analyzing the economic and environmental impact of the implementation of electromobility measures and new emission standards (EURO 6 / VI) in the transport sector.
  • CALMAQ: a tool for calculating the pollutant emissions of MMNC that reports a first estimate of the emissions of the machinery fleet in operation.

• 19 events have been organised, some which are open to the public and others which are exclusive to program partners, with a total of 1,285 attendees from around the world.

• 29 publications have been produced (13 studies done within the framework of the program in Spanish and English and 16 audiovisual materials of the events that took place or thematic videos of the program).

• Participation in COP25, with staff members in the Chilean and Colombian pavilions, who within the framework of the transport day, presented the initiatives that are being promoted in Latin America in transport and MMNC to contribute to healthier cities.

• Participation in the CCAC event on Free Cities with soot-free diesel engines, and the Electric Mobility workshop was co-organised, together with the network of organisations LEDS LAC, the association Sustentar leading the Transport Working Group of the LEDS LAC, and the Development Bank of Latin America CAF.

Résultats prévus 2021-2025

  • Cleaner urban transport: Emissions of ultrafine particles, air pollutants and greenhouse gases from the public transport system are significantly and sustainably reduced. The plans and measures supported by the project result in the introduction of cleaner buses in the cities, which contributes to the goals of the Nationally Determined Contributions (NDC), Long Term Strategies (LTS) and decontamination plans.
  • Public policies incubator for nonroad mobile machinery (NRMM): Transfer capacities and successful experiences to consolidate the development of a regulatory framework in the countries for the incorporation of construction machinery in urban areas that reduce gaseous and particulate emissions, as well as GHGs through the introduction of electric or low-emission technology. The regulatory framework on NRMM makes the sector visible and establishes the enabling conditions for the introduction of less emission-intensive construction machinery.
  • Regional and global cooperation: Validated efficient technologies, policies and actions are systematised and shared for scaling up regionally and globally. The experience generated by the program on cost-effective policies, actions and technologies, good practices and successful lessons learned are disseminated regionally and globally and scaled up through existing networks and platforms, such as the Climate and Clean Air Coalition (CCAC) and the Pacific Alliance; and experts from the Region are linked with other decision makers and actors of the academia.

Liens du projet