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New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

Green Car Congress

In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). —Emissions Analytics. Quoting such ratios, however, needs careful interpretation.

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IAV develops new close-coupled diesel exhaust gas aftertreatment system for improved emissions reduction

Green Car Congress

IAV has developed a particularly closed-coupled diesel exhaust gas aftertreatment (EAT) system. Under the EU6 standard, diesel engines are still allowed to emit up to 80 mg NO x /km milligrams of nitrogen oxides per kilometer—not only under the legal framework in the cycle but also in respect of increasingly tighter RDE requirements.

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Daimler conducting internal investigation over exhaust emissions certification process in the US

Green Car Congress

Daimler AG announced that it is conducting an internal investigation regarding its certification process related to exhaust emissions in the United States upon the request of the US Department of Justice (DOJ). Daimler said it is cooperating fully with the authorities.

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BMW adamantly denies reports about diesel emission systems collusion and manipulation

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On Sunday, the BMW Group issued a strong rejection of German media reports charging that the company had colluded with Volkswagen, Audi, Porsche and Daimler on the design and pricing of diesel exhaust systems and that its diesel emission systems did not function properly.

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EC fines automakers $1B for colluding on technical development of NOx aftertreatment systems

Green Car Congress

The Commission did not determine whether the car manufacturers complied with EU car emission standards or cleaned to a higher standard than that required. A marketable filling solution was crucial to enabling wide-scale use of the highly efficient SCR system for exhaust gas treatment. This was confirmed by the European Commission.

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US charges Audi manager with conspiracy to cheat US emissions tests; sacrificing NOx control for a sound system

Green Car Congress

The US has charged a former Audi manager via criminal complaint for his role in a conspiracy to defraud US regulators and customers by implementing defeat device software in thousands of Audi diesel vehicles to cheat US emissions tests. liter diesel engine employed Selective Catalytic Reduction (“SCR”) technology to reduce NO x emissions.

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Bosch says it has solved diesel NOx problem; as low as 13 mg NOx/km even under RDE; refining existing technologies

Green Car Congress

Bosch says that its engineers have refined existing diesel technolgoies to reduce emissions of nitrogen oxides (NO x ) so significantly that they already comply with future limits. Equipped with the latest Bosch technology, diesel vehicles will be classed as low-emission vehicles and yet remain affordable.

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