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Remote sensing of motor vehicle emissions in London

From November 2017 through February 2018, The Real Urban Emissions initiative (TRUE) conducted a project using remote-sensing technology to measure in-use exhaust emissions from vehicles at several...
Published 2018.12.17: Publication

Assessment of electric car promotion policies in Chinese cities

In recent years, China has demonstrated impressive growth in its electric vehicle fleet. In 2017, new plug-in electric car sales in China contributed to almost half of the total sales worldwide. This...
Published 2018.10.18: Publication

A historical review of the U.S. vehicle emission compliance program and emission recall cases

Emission recalls are a critical aspect of vehicle emission compliance and enforcement programs. An emission recall is a repair, adjustment, or modification program conducted by a manufacturer to...
Published 2017.04.12: Publication

Official vs. real-world road-load parameters in EU vehicle efficiency testing

On average, real-world fuel consumption and CO2 emissions of new European passenger cars exceeded official vehicle type-approval values by approximately 40 percent in 2014. This paper shows that...
Published 2016.05.09: Publication

The future of vehicle emissions testing and compliance

A growing body of evidence indicates that one of the reasons for a rapidly growing discrepancy between official and real-world fuel consumption and emission values of new passenger cars is...
Published 2015.11.23: Publication

NOx control technologies for Euro 6 diesel passenger cars

Controlling nitrogen oxide (NOx) emissions from Euro 6 diesel passenger cars is one of the biggest technical challenges facing automakers. Euro 6 limits NOx emissions from diesel passenger cars to 80...
Published 2015.09.03: Publication

Review and comparative analysis of in-use vehicle emission control programs in Guangdong Province

Controlling emissions from the in-use fleet, particularly from high emitters and older vehicles, can immediately alleviate urban air pollution. As pressure to address China's air quality issues...
Published 2015.06.29: Publication

Global overview of on-board diagnostic (OBD) systems for heavy-duty vehicles

On-board diagnostic (OBD) systems monitor the performance of engine and aftertreatment components, including those responsible for controlling emissions. The OBD system is designed to help ensure...
Published 2015.02.09: Publication