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Italy’s car market needs to make a U-turn

Between minuscule electric vehicle (EV) sales, growing diesel shares, and Italian carmakers’ struggle to curb carbon dioxide (CO2) and nitrogen oxide (NOx) emissions, Italy seems to be heading in the... Between minuscule electric vehicle (EV) sales, growing diesel shares, and Italian carmakers’ struggle to curb carbon dioxide (CO2) and nitrogen oxide (NOx) emissions, there is no doubt that Italy is...
Published 2017.09.18: Blog Post

Road tested: Comparative overview of real-world versus type-approval NOx and CO2 emissions from diesel cars in Europe

In September 2015, when the news broke about the illegal defeat device used by Volkswagen in the United States, no systematic overview of real-world NOx emission levels by vehicle manufacturer and...
Published 2017.09.03: Publication

Real-world emissions testing on four vehicles

We commissioned the Laboratory of Applied Thermodynamics, of the Aristotle University of Thessaloniki, and its spin-off company, Emisia, to investigate real-world emissions of four Euro 6 passenger...
Published 2017.08.29: Publication

[press release] Declining diesel car share not a hurdle for meeting the European Union’s CO2 reduction targets, instead helps reduce compliance costs for manufacturers

In the aftermath of the Dieselgate scandal, the market share of diesel cars in Europe is declining. The average diesel passenger car emits less carbon dioxide (CO2) than a comparable gasoline car...
Published 2017.07.05: News

Shifting gears: The effects of a future decline in diesel market share on tailpipe CO2 and NOx emissions in Europe

The market share of fuel-efficient new diesel cars in the European Union has remained above 50% since 2010, greatly aiding the EU’s efforts to reduce carbon emissions. But diesel market share is...
Published 2017.07.05: Publication

Like magic! How to make high vehicle CO2 emissions simply disappear

Ask people on the streets in Germany who they think is the most famous magician ever, and the name you would probably hear most is David Copperfield. Almost everyone knows him and is fascinated by... On June 26, the BMVI finally published the CO2 measurement results we had been waiting for. But in the interim the Ministry re-tested 29 of the original vehicle models. Only a subset of those...
Published 2017.07.03: Blog Post

Laboratory and on-road emission testing of in-use passenger vehicles in India

Considering the overwhelming evidence of high in-use NOx emissions from diesel cars in Europe and the US, the impact of NOx emissions in human health, and the growing numbers of new diesel passenger...
Published 2017.06.26: Publication

Vehicle and fuel standards can dramatically reduce air pollution in Brazil, São Paulo’s air quality data demonstrate

São Paulo’s Environmental Agency, CETESB, announced in February 2017 that new heavy-duty vehicle emissions standards will take effect in Brazil starting in 2019, and as we discussed here, the next... Implementing P-8 (Euro VI-equivalent) standards for trucks and buses might be the most cost-effective way to improve air quality, not just in São Paulo but nationwide. The benefits associated with P...
Published 2017.05.31: Blog Post

Global webinar on 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 [press release]

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

Why are EU manufacturers claiming their defeat devices are not defeat devices?

I am completely befuddled. Once again, a European manufacturer has admitted they change emission control calibrations to increase emissions under normal driving conditions – but somehow they seem to... PSA has admitted to changing emission control calibrations under normal driving—but denies using banned engine software. The gaming of defeat device regulations has gone on for far too long in the...
Published 2017.02.10: Blog Post

Fiat-Chrysler, Renault-Nissan . . . who might be next?

The news earlier this month that the U.S. EPA had issued a Notice of Violation to Fiat-Chrysler for failing to inform the agency of several software "devices" that alter the behavior of the emissions... The current investigations might not prove that Fiat-Chrysler or Renault-Nissan used defeat devices per se, but these recalls confirm that automakers can do more than just the minimum necessary to...
Published 2017.01.30: Blog Post

[Press release] European Union: Emissions of toxic nitrogen oxides by Euro 6 diesel passenger cars are more than double modern diesel trucks'

In Europe, the average amount of nitrogen oxides (NOx) present in exhaust emissions from modern diesel passenger cars is more than double the levels from modern trucks and buses, a new paper by the...
Published 2017.01.05: News

NOx emissions from heavy-duty and light-duty diesel vehicles in the EU: Comparison of real-world performance and current type-approval requirements

More diesel vehicles are sold in Europe than in China, India, and all of the Americas combined—over 8.8 million in 2014 alone, more than double the sales in the next largest diesel market, China (...
Published 2017.01.05: Publication

On-road testing of CO2 and exhaust emissions from Euro 6 passenger cars in the EU

In 2015, the ICCT commissioned Emissions Analytics, a commercial test house specializing in testing real-world fuel consumption and emissions, to perform on-road testing of Euro 6-regulated gasoline...
Published 2016.11.14: Publication

Strengthening the regulation of defeat devices in the European Union

Although the language in the U.S. and EU regulations on vehicle emissions testing prohibiting defeat devices, and defining exemptions or exceptions, is very similar, the regulations have been...
Published 2016.08.12: Publication

Taking stock of the VW settlement agreement

On June 28, more than 9 months after the "Dieselgate" story broke, Volkswagen agreed to a $14.7 billion partial settlement designed to do three things: compensate consumers for advertising fraud;... Considering how much the likelihood of discovery and the magnitude of the consequences have increased in just nine months, it’s safe to say that the odds in favor of a genuinely cleaner...
Published 2016.07.15: Blog Post

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

Briefing on the EU Vehicle Emissions Testing Scheme

ICCT organized this briefing in collaboration with Daniel Dalton, MEP, in view of the ongoing discussions over the type-approval framework regulation, to provide Members of the European Parliament...
Published 2016.06.04: Event

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