programs / Heavy-duty vehicles


The steady growth in freight transport by truck presents a challenge to efforts at reducing hazardous air pollution and greenhouse gas emissions. Though most countries have fuel economy standards for passenger vehicles, as of 2011 only Japan and the United States have set efficiency and GHG emission standards for heavy-duty vehicles.

Most heavy-duty vehicles are powered by diesel engines that, without pollution controls, can emit high levels of other pollutants that contribute to global warming  and local air pollution.  For example, uncontrolled diesel vehicles produce high levels of particulate matter, a fraction of which has a warming effect, and nitrogen oxides, which are an ingredient of ozone (also known as smog), an important greenhouse gas. These pollutants are associated with bronchitis, asthma, and other lung diseases, and are responsible for millions of premature deaths worldwide. In 2013, the World Health Organization classified diesel exhaust as carcinogenic to humans, based on evidence of an increase in lung cancer after long-term exposure.

Featured Work



Recently Released

Integrating trailers into HDV regulation: Benefit-cost analysis
Builds on recent research on the integration of trailers into HDV fuel consumption and GHG emissions regulations to conclude that the U.S. Phase 2 rule presents an opportunity to capture substantial and highly cost-effective...
White paper
Working paper
Costs and benefits of China 5/V and 6/VI standards in Guangdong Province
Prepared for the Ministry of Environmental Protection's Vehicle Emission Control Center and the Guangdong Environmental Protection Department, highlights the cost-effectiveness of China 5/V standards in Guangdong and the long-...
Working paper



Press roundup, June 2014
Green Car Congress 06/02 ICCT-sponsored...

[Press release] Public-private “SuperTruck” effort demonstrating 50% vehicle-efficiency gains in U.S. heavy truck fleet
Interim progress reported by four truck industry consortia...

[Press release] In Mexico, proposed HDV emission standard would generate health and climate benefits
Expected revisions to Mexico’s emissions standards for...

Press roundup, May 2014
Biofore, UPM's Stakeholder Magazine 05/01...

From the ICCT Blogs

Bending the law of diminishing returns on fuel economy
On fuel economy, what matters is the cost of adding technology compared with the fuel savings it delivers. And all the evidence points to technology costs falling fast enough to keep pace with the law of diminishing returns—in the past, currently, and in the future.
Staff Blog
The end of the era of heavy fuel oil in maritime shipping
Viscous, dirty, yet cheap and widely available, HFO propelled a long period of robust growth in international shipping. But its price doesn't reflect its impacts on the environment and human health, and efforts to minimize those impacts open doors for new, cleaner fuels.
Staff Blog
Let’s update US fuel policy to promote electric vehicles (Part II)
Last week EPA finalized a new pathway for biogas electricity used in electric vehicles, a step that could potentially open up new avenues to incentivizing more types of low carbon fuels in transportation.
Staff Blog

The Staff

Fanta Kamakaté
Fanta Kamakaté
Chief Program Officer
Nic Lutsey
Nic Lutsey
Program Director / US Co-Lead
Rachel Muncrief
Rachel Muncrief
Heavy-Duty Vehicles Lead
Benjamin Sharpe
Benjamin Sharpe
Senior Researcher / Canada Lead