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Zero emission buses are worth reaching for, but emission performance standards are the low-hanging fruit

Sales of battery electric buses (BEBs) are surging in major cities around the world. Los Angeles, California committed to shift its 2,200 bus fleet to zero-emission buses (including BEBs) by 2030,...Sales of battery electric buses are surging, yet a complete technology transition won't happen overnight. Meanwhile, tightening emission standards on conventionally powered buses would have immediate...
Published 2017.11.16: Blog Post

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

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

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

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

Global transportation energy and climate roadmap

This report evaluates the impact of transportation policies on worldwide oil consumption and greenhouse gas (GHG) emissions and the potential for reductions in both out to 2030. It finds that...
Published 2012.12.01: Publication

Transportation efficiency in 2030

Transportation of people and goods currently contributes about a quarter of the world’s greenhouse gas emissions, and this share is growing. Unprecedented income and population growth in the...Modeling different transportation scenarios shows interesting trends in GHG emissions from transport through 2030 given the  "policy pipeline” in the world's largest vehicle markets.
Published 2012.04.27: Blog Post