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Cost-benefit assessment of proposed China 6 emission standard for new light-duty vehicles

In May 2016, the Chinese Ministry of Environmental Protection (MEP) released a proposal, “Limits and Measurement Methods for Emissions from Light-Duty Vehicles (LDVs),” also known as the China 6...
Published 2017.05.18: Publication

Beyond hazardous

In Beijing, air pollution is once again off the charts. The first red alert of the winter was issued in December while I was there, and the heavy smog (mixed with apparently hazardous fog) is now...In Beijing, air pollution is once again off the charts. The air-quality challenge is exacerbated by geographical and meteorological conditions, but the human-made pollution is anything but a natural...
Published 2017.01.04: Blog Post

Technology pathways for diesel engines used in non-road vehicles and equipment

Internal combustion engines are ubiquitous in today’s society. Applications for these engines cover a broad spectrum, ranging from vehicles that transport passengers and move goods to specialized...
Published 2016.09.16: Publication

Review of LDV OBD requirements under the European, Korean and Californian emission programs

On-board diagnostic (OBD) systems monitor the performance of engine and aftertreatment components, especially those responsible for controlling harmful pollutant emissions. The OBD system does not...
Published 2016.03.31: 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

The 4th Sino-US Workshop on Motor Vehicle Pollution Prevention and Control

On June 9-10, 2014, the International Council on Clean Transportation (ICCT) and the Vehicle Emission Control Center of the Ministry of Environmental Protection (VECC-MEP) co-sponsored the 4th Sino-...
Published 2014.06.30: Event

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

Urban off-cycle NOx emissions from Euro IV/V trucks and buses

Despite meeting more stringent regulatory standards for exhaust emissions during type approval, many Euro IV and Euro V heavy-duty vehicles equipped with selective catalytic reduction (SCR) systems...
Published 2012.04.10: 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