Search Results

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

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

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

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

Green Freight at the UNSG Climate Summit next week

At the UN Secretary-General’s Climate Summit in New York City September 23, countries, cities, non-state organizations and private-sector entities will commit to scale up actions to mitigate short-...
Published 2014.09.15: News

Request for Proposals: Scoping Study, International Technology Verification Center

Summary This request for proposals (RFP) seeks a consultant or consulting team with expertise in technologies for freight efficiency, operational strategies, and technology verification to develop a...
Published 2014.05.22: News

CCAC Green Freight Call to Action

The High Level Assembly of the Climate and Clean Air Coalition to Reduce Short-Lived Climate Pollutants (CCAC) met in Warsaw on November 21, one of the events during the recently concluded COP19....
Published 2013.12.05: News

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

Cleaning up the diesel vehicles already on the road

Older diesel vehicles are prime culprits when it comes to both urban air pollution and climate change. Although they usually make up only a small percentage of all the vehicles in a region, they...Old diesel vehicles are prime culprits when it comes to both urban air pollution and climate change. Although they usually make up only a small percentage of all the vehicles in a region, they can...
Published 2013.08.02: Blog Post

Best practices in emission control of in-use heavy-duty diesel vehicles

This report summarizes policy approaches to controlling in-use emissions from heavy-duty vehicles (HDVs), including freight trucks, buses, municipal government and other service fleets. HDVs, while...
Published 2013.08.02: Publication

Global Fuel Economy Initiative's networking meeting

Materials from the GFEI's global networking meeting, held June 20 and 21 at UNEP's headquarters in Paris, are now online here. Quoting from the GFEI site's description of the event: [D]elegates...
Published 2013.06.25: News

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

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

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

A model regulatory program for reducing exhaust and evaporative emissions from heavy-duty vehicles and engines

Commercial truck markets in emerging economies such as China, India, and Brazil now dwarf traditional markets in industrialized economies. Tremendous opportunities exist to improve public health...
Published 2007.11.30: 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