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Exhaust and aftertreatment on the Achates ULNOx heavy-duty opposed-piston diesel

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opposed-piston (OP) heavy-duty diesel engine achieved Ultralow NO x (ULNO x ) performance results. According to Fabien Redon, Achates Power’s CTO, the team made improvements to what Achates calls the Catalyst Light-Off operating mode, used while the SCR is not active. The OP engine operates at nearly ideal temperature range.

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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 ). Cutting off at 23 nm avoids these ‘semi-volatiles’, whereas 6 nm is a much more comprehensive range. x 10 11 #/km for diesels.

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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. Future diesel powertrains will need to be capable of meeting limit values that are even tighter than EU6. This way, exhaust gas flows through DOC and SCRF before it enters the turbine. Topology of the variants.

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Eaton and Tenneco partner to produce new, integrated exhaust thermal management system to meet coming lower NOx standards

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Power management company Eaton and Tenneco announced a joint development agreement between Eaton’s Vehicle Group and Tenneco’s Clean Air business group to produce an integrated exhaust thermal management system that will enable commercial truck and light vehicle manufacturers to meet upcoming emissions regulations.

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Corning expands light-duty vehicle exhaust filter capacity in Germany

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Corning Incorporated has boosted its light-duty vehicle filter capacity at its manufacturing facility in Kaiserslautern, Germany for both gasoline and diesel engined vehicles. In response, Corning has developed unique filter products to capture gasoline particulates without sacrificing engine performance.

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Mercedes OM 656 diesel now available in G-Class in G 350 d

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Mercedes-Benz has expanded the powertrain line-up of its new G-Class with an efficient diesel variant. l/100 km; combined CO 2 emissions: 259-252 g/km) is equipped with an OM 656 diesel( earlier post ). As a result, the G-Class model range now offers buyers a choice between the G 500 (fuel consumption, combined: 12.1-11.5

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Ricardo: achieving light-duty diesel RDE NOx compliance in urban driving is possible, at a price

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A range of aftertreatment technology options are available to automakers seeking to achieve compliance with the impending EU Real Driving Emissions (RDE) regulations, according to the results of a Ricardo research project presented recently at the SIA Powertrain international conference and exhibition in Rouen, France. liter diesel engine.

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