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Climate and air pollutant emissions benefits of bus technology options in São Paulo

Portuguese version In January 2018, the city of São Paulo, Brazil, adopted Law 16.802, an amendment to its Climate Change Law that sets 10-year and 20-year targets for fleetwide reductions in...
Published 2019.02.01: Publication

Benefícios de tecnologias de ônibus em termos de emissões de poluentes do ar e do clima em São Paulo

English version Em janeiro de 2018, a cidade de São Paulo, Brasil, adotou a Lei 16.802, uma amenda a sua Lei de Mudanças Climáticas que estabelece metas para os prazos de 10 e 20 anos de reduções...
Published 2019.02.01: Publication

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

Environmental risks of diesel passenger vehicles in Brazil

DOWNLOAD PORTUGUESE VERSION (PDF)   Although Brazil has restricted the sale of diesel passenger cars since the 1970s, an auto industry lobby has been pressuring the government to lift the...
Published 2016.03.11: Publication

Exploring the climate and health benefits from public transit

As the world rapidly becomes more motorized and more urban, it faces an increasingly urgent dilemma: how to move people efficiently while improving air quality and reducing climate impacts. In high-...It is possible to mitigate climate change and lower health impacts through less reliance on private automobiles, reduced urban sprawl, higher rates of public transit, and stringent vehicle emission...
Published 2015.05.08: Blog Post

Technical training on light-duty vehicle emissions standards

Organized by the Mexican Center for Environmental Rights (CEMDA), with the collaboration of ICCT and the General Director Environmental, Urban and Tourist Promotion (DGFAUT) of the Secretary of...
Published 2014.07.17: Event

Actualización de la NOM 044. Información para la toma de decisiones

Este estudio muestra los resultados de un análisis costo-beneficio hasta el año 2037 de los cambios propuestos a la norma de emisiones de vehículos pesados, la NOM-044 de SEMARNAT. En la nueva norma...
Published 2014.06.09: Publication

Revising Mexico's NOM 044 standards: Considerations for decision-making

This study reports results of a cost-benefit analysis of changes proposed for Mexico’s heavy-duty diesel vehicle emissions standard, NOM 044, through 2037. The new regulation would significantly...
Published 2014.06.02: 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

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

Inertia classes in worldwide harmonized light vehicle test procedure (WLTP) development

The definition of vehicle weight used for testing procedures is an important decision when drafting the regulation on determining emission values under the WLTP. Currently, different inertia class...
Published 2011.05.18: Publication

Low-sulfur gasoline and diesel: The key to lower vehicle emissions

It is impossible to reduce air pollution from the transportation sector without getting sulfur out of fuels. Sulfur is a pollutant itself, but more importantly it interferes with and eventually...
Published 2003.05.30: Publication