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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 ). As testament to the filtration efficiency of the latest gasoline particulate filters (GPFs), tailpipe mass emissions are now as low as 0.02

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Korean team develops 2L-class direct-injection hydrogen-fueled engine

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Compared with gasoline engines, the newly developed hydrogen engine helps to reduce the emissions of carbon dioxide and fine particulates by 99% and 90%, respectively, which meets EU requirements for zero-emission vehicles. 2022.04.274

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The importance of considering non-exhaust traffic emissions; the role of EVs

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the criteria pollutants and CO 2 that emerge with the exhaust from the tailpipe. However, there is more than 15 years of research showing that the contribution of non-exhaust primary particles to the total traffic generated primary particles is significant in urban areas. Further, a 2013 review by Denier van der Gon et al. Background.

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Mercedes-Benz introducing new 4-cylinder engine with 48V system and GPF in E-Class

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Mercedes-Benz is introducing a newly developed four-cylinder gasoline engine that delivers the performance of a high-capacity six-cylinder engine but with significantly reduced fuel consumption for the E‑Class Coupé and Cabriolet. The engine generates 220 kW/299 hp from a displacement of 1991 cc. l/100 km (34.6 Twin-scroll turbo.

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Mercedes brings lean-burn, stratified BlueDirect to CLA-Class for 7% boost in fuel economy; new all-wheel A-Class diesels

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Mercedes-Benz announced that seven new versions of the Mercedes-Benz A-, B- and CLA-Class now offer enhanced fuel savings compared with their respective predecessors. It is also being applied in the new C Class, as highlighted at the North American International Auto Show.) Click to enlarge. l/100 km (43.6 Source: Vent et al.

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Taxi version of Mercedes-Benz B-Class with natural gas drive coming soon

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Mercedes-Benz is presenting the taxi version of the B 200 Natural Gas Drive at the Frankfurt International Motor Show. When running on natural gas, the fuel consumption of the 115 kW (156 hp) B 200 Natural Gas Drive stands at 4.2 kg/100 km, corresponding to CO 2 emissions of 117 g/km.

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Mercedes-Benz powering ahead with €3B strategic engine initiative; increasing electrification, 48V; diesel and gasoline; cylinder deactivation

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The new six-cylinder in-line gasoline engine M 256 features a 48 V electrical system. The M 256 is the first member of a new family of premium gasoline engines that have for the first time been systematically designed for electrification from the outset. Mercedes-Benz is investing a total of around €3 billion (US$3.3 Click to enlarge.

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