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

White paper
Costs and benefits of motor vehicle emission control programs in China
Reviews China’s efforts to rein in air pollution from vehicles and presents a cost-benefit analysis of the introduction of stringent new vehicle emissions and fuel quality standards.
White paper
Review and comparative analysis of in-use vehicle emission control programs in Guangdong Province
A survey of local- and provincial-level policies intended to control emissions from high emitters and older vehicles, and comparison with best practices.
White paper



Study finds perennial biofuel crops’ water consumption similar to corn
A study by a team from the Great Lakes Bioenergy Research...

Platts Survey: OPEC pumps 31.28M barrels of crude per day in June; highest since Aug 2012
Oil production from the Organization of the Petroleum Exporting...

Honda Civic Tourer sets Guinness record for fuel efficiency after averaging 2.82 liters / 100 km
... starting point on June 25th, with the trip computer showing...

Honda diesel sets new Guinness record for fuel efficiency, averaging 83 mpg US in 8,387-mile drive across 24 EU countries
Honda has set a new Guinness World Records title for “Lowest...

Request for Proposals: Fuel and Vehicle Flows in Western and Southern Africa
Summary The ICCT is seeking an experienced consulting group or...

[Press release] Proposed truck efficiency standards establish U.S. global leadership in low-carbon commercial vehicles sector
ICCT research finds major efficiency improvements in U.S. truck...

Global Green Freight Action Plan launched
The Global Green Freight Action Plan was officially launched...

Request for Proposals: Marine Black Carbon Emissions Testing
Summary This request for proposals (RFP) supports the marine...

From the ICCT Blogs

What the NRC report on LDV technologies does and doesn't add to the debate in the run up to the US CAFE 2025 standard midterm evaluation
Convincing support for the agencies' initial analysis, that could have pushed its conclusions even further.
Staff Blog
Cleaning up big trucks to deliver a cleaner future
Tractor trailers and other medium and heavy trucks are the hard working giants of the American highway. They are also a disproportionately large part of our nation's carbon footprint.
Staff Blog
5 numbers you need to know about the proposed U.S. truck efficiency rule
It's a complex proposal, and will take some time to fully digest, but some of the highlights regarding the complexity, the technology improvements, and the benefits are immediately clear. Here is the gist of the rule in five numbers.
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