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ICCT wins 2017 Climate and Clean Air Award for Transformative Action

Bonn, November 12, 2017: The 2017 Climate and Clean Air Award for Transformative Action has gone to the International Council on Clean Transportation (ICCT), for its initiative to conduct checks of...
Published 2017.11.12: News

Impacts and mitigation of excess diesel NOx emissions in 11 major vehicle markets

A new study published online May 15 in the journal Nature quantifies the global health and environmental burden of real-world diesel NOx emissions in 11 major vehicle markets. The study found that...
Published 2017.05.22: Event

Impacts and mitigation of excess diesel NOx emissions in 11 major vehicle markets

Access publication here: Nature, 25 May 2017, doi:10.1038/nature22086 Nitrogen oxide (NOx) emissions from diesel cars, trucks, and buses are a major contributor to air pollution-related deaths...
Published 2017.05.15: Publication

New study quantifies global health, environmental impacts of excess nitrogen oxide emissions from diesel vehicles

Diesel vehicles in major markets produce over 50% more NOx than official certification limits indicate Study links these excess NOx emissions to ~38,000 premature deaths worldwide in 2015—mostly in...
Published 2017.05.15: News

Opel's admissions of defeat device calibrations

A little while ago I blogged about the widespread practice by automakers in the EU of reducing nitrogen oxide (NOx) emission controls at ambient temperatures below 10 °C–17 °C and after a hot restart...Opel admits to reducing vehicle emission controls based on conditions other than ambient temperature or restart. Opel says its “engines are in compliance” in Europe. But, once again, they would not...
Published 2016.06.15: Blog Post

First look: Results of the German transport ministry's post-VW vehicle testing

In September 2015, shortly after it became known that Volkswagen applied illegal defeat devices in some of its diesel vehicles, the German Ministry for Transport (BMVI) commissioned a series of...Germany, the UK, and France last week released results of testing they commenced after VW admitted to using defeat devices to circumvent emissions tests. The situation seems even worse than expected...
Published 2016.04.25: Blog Post

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

Comparing real-world off-cycle NOx emissions control in Euro IV, V, and VI

Heavy-duty vehicles built and certified in conformity to Euro IV and V emissions standards frequently do not achieve the real-world NOx emissions expected under those standards. Now data is becoming...
Published 2015.03.02: Publication