programs / Heavy-duty vehicles

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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.

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Accelerating progress from Euro 4/IV to Euro 6/VI vehicle emissions standards
Details options for and benefits of leapfrogging the Euro 5/V LDV/HDV vehicle emissions standards, and instead progressing directly from Euro 4/V to Euro 6/VI.
Briefing
Survey of best practices in reducing emissions through vehicle replacement programs
Evaluates eight vehicle replacement programs from around the world and identifies five best practices in the areas of program design and implementation, as well as fiscal incentives and policies, to serve as guidelines for...
White paper
Comparing real-world off-cycle NOx emissions control in Euro IV, V, and VI
HDVs conforming to Euro IV and V standards frequently show poor real-world NOx emissions performance. Evidence indicates that new certification protocols in Euro VI resolve this problem, and Euro VI-compliant HDV NOx emissions...
Briefing
 

News

News

An ‘Ask Me Anything’ Chat on Climate Science and Coverage
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US to submit plans to fight global warming; most others delay
The United States will submit plans for slowing global warming...

Total natural gas vehicle sales in US down 6.5% in 2014 due to 34% drop in light-duty sales; medium- and heavy-duty up
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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