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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

International comparison of Brazilian regulatory standards for light-duty vehicle emissions

This paper aims to inform the next phase of PROCONVE for LD vehicles by assessing important components of PROCONVE L6 and their relative strengths and weaknesses compared with similar programs in the...
Published 2017.04.14: Publication

Effect of P-8 standards on bus system costs in Brazil

Brazil has controlled harmful pollutant emissions from heavy-duty vehicles (HDVs), including trucks and buses, through a series of progressively more stringent vehicle emissions standards put in...
Published 2017.04.14: Publication

Technology uptake, costs, and benefits under a next-phase passenger car efficiency program in Brazil

Brazil is the sixth largest market for new passenger vehicles worldwide and the largest market in Latin America. As of 2013, passenger vehicles sold in Brazil have adopted fewer fuel-saving...
Published 2017.03.27: 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

Deficiencies in the Brazilian PROCONVE P-7 and the case for P-8 standards

DOWNLOAD PORTUGUESE VERSION (PDF) In January 2012, Brazil implemented the PROCONVE P-7 emission standards for heavy-duty vehicles (HDVs) to replace the previous P-5 standards (Euro III-equivalent)....
Published 2016.03.11: 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

Cost-benefit analysis of Brazil's heavy-duty emission standards (P-8)

DOWNLOAD PORTUGUESE VERSION (PDF) Brazil has controlled heavy-duty vehicle (HDV) emissions through the Programa de Controle da Poluição do Ar por Veículos Automotores (PROCONVE) since 1990,...
Published 2016.03.01: Publication

Case study: Adoption of low-sulfur fuel standards in Peru

Rapid population and economic growth in Peru has fueled a sharp increase in the country’s vehicle fleet, raising concerns about air quality. The government has responded with emission standards for...
Published 2016.02.03: 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

Policy solutions to reduce vehicle exhaust emissions under real-world driving conditions

Policymakers worldwide are looking for ways to address the challenge of controlling real-world emissions brought to forefront by the Volkswagen case. In this position brief, we propose a rapid and...
Published 2015.10.01: Publication

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

Regulaciones sobre emisiones de vehículos pesados en México

En Diciembre 1, 2014, COMARNAT, el comité nacional regulador de la Secretaria de Medio Ambiente y Recursos Naturales (SEMARNAT), aprobó una propuesta de actualización realizada por SEMARNAT a los...
Published 2014.12.22: Publication

Mexico heavy-duty vehicle emissions standards

On December 1, 2014, COMARNAT, the national regulatory committee of Mexico's Secretariat of Environment and Natural Resources (SEMARNAT), approved a proposed update by SEMARNAT to existing emissions...
Published 2014.12.22: Publication

Cost-Benefit Analysis of Mexico’s Heavy-duty Emission Standards (NOM 044)

Mexico is planning to revise its existing emissions standards for diesel heavy-duty vehicles (HDVs). The existing regulation, Norma Oficial Mexicana 044 (NOM 044), requires new vehicles to meet...
Published 2014.08.11: Publication

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

On-board diagnostics for heavy-duty vehicles: Considerations for Mexico

On-board diagnostic (OBD) systems monitor the performance of engine and after-treatment components including those responsible for controlling emissions. Historically, OBD systems were first deployed...
Published 2014.02.24: Publication

Tratamiento para los vehículos medianos bajo la NOM 044

El ámbito de aplicación de la norma de emisiones para vehículos pesados en México, NOM 044 vigente y de la propuesta de modificación, son los vehículos con peso bruto vehicular mayor a 3,857...
Published 2014.02.20: Publication

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

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