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The modifications required by US regulators to VW diesel engines designed to cheat emissions tests are more stringent and more effective than in Europe.

In September, China’s Ministry of Environmental Protection issued the first national standard for portable emission measurement system (PEMS) testing of heavy-duty vehicles (HDVs). This regulation is a supplement to all existing requirements under the China V standard, and it requires additional on-road PEMS testing for new and in-use China V HDVs.

Compares official laboratory-test and on-road nitrogen oxide (NOx) emissions for 541 Euro 5 and Euro 6 diesel passenger cars, representing 145 of the most popular European models.

2016.11.14

Summarizes results from on-road testing of seven Euro 6-regulated gasoline and diesel vehicles carried out by Emissions Analytics between 2015 and 2016 concerning emissions of carbon monoxide (CO), carbon dioxide (CO2), nitric oxide (NO), nitrogen dioxide (NO2), and particulates.

Publication: Consultant report
2016.08.12

Legal note from Défense Terre analyzing the U.S. vehicle emissions regulation and associated guidance documentation and proposing areas where the European Union's type approval framework text could benefit from improved language.

Publication: Consultant report
2016.07.15
On June 28, more than 9 months after the "Dieselgate" story broke, Volkswagen agreed to a $14
Blog Post
2016.06.15
A little while ago I blogged about the widespread practice by automakers in the EU of reducing nitrogen oxide (NOx) emission
Blog Post
2016.06.04

A lunch briefing on vehicle emissions testing schemes in the EU and U.S., with discussion of potential reforms in the EU.

Event
2016.05.12
Ever since the VW defeat device scandal broke last September, the big question has been: Are other manufacturers also using defeat devices?
Blog Post
2016.04.28
Conclusively determining whether or not a vehicle has a defeat device to circumvent emissions tests is difficult. Really difficult.
Blog Post
2016.04.28
On April 7, the French government released initial results of the diesel emissions screening campaign it conducted in the wake of the revelations about VW's use of defeat devices. The UK and Germany followed suit last week.
Blog Post
2016.04.25
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 laboratory and on-road vehicle tests in ord
Blog Post
2016.03.22

Reviews provisions of the U.S. and EU regulations that define and prohibit defeat devices, as well as automakers' public statements in the aftermath of VW's admission that it used such defeat devices, as context for evaluating reform proposals.

Publication: Briefing

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