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

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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

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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

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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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California Dump Truck Owners Association sues ARB to overturn Truck Bus emissions rule

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The California Dump Truck Owners Association (CDTOA) is suing the California Air Resources Board (ARB), challenging the legality of ARB’s Truck and Bus Regulation. The Truck and Bus rule requires truck owners to install diesel exhaust filters on their rigs, with nearly all vehicles upgraded by 2014. Earlier post.). Earlier post.)

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Valeo acquires electric supercharger business from Controlled Power

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As part of its strategy of developing solutions to reduce CO 2 emissions, Valeo has acquired the Variable Torque Enhancement System (VTES) ( earlier post ) business of UK automotive technology development company Controlled Power Technologies (CPT). Unlike exhaust-driven turbochargers, electric superchargers are driven by an electric motor.

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

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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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