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Study finds “markedly” high levels of diesel exhaust present in commuter trains powered by locomotives in pull-mode

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Diesel-powered commuter trains may expose their passengers to elevated levels of certain black carbon and ultrafine particles, especially in the coach directly behind the locomotive, according to a new study from researchers at the University of Toronto. A paper on the study is published in the journal Atmospheric Environment.

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Mercedes begins sales of new 6-cylinder GLE diesel; first SUV in its class to meet Euro 6d

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Mercedes-Benz has begun sales of two diesel models of the new GLE SUV which already comply with the coming Euro 6d emissions standard. The OM 656 six-cylinder diesel engine comes with 243 kW (330 hp) and 700 N·m of torque in the GLE 400 d 4MATIC (combined fuel consumption: 7.5-7.0

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Study finds total greenhouse gas footprint of blue hydrogen “quite high” due to fugitive methane

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While carbon dioxide emissions are lower, fugitive methane emissions for blue hydrogen are higher than for gray hydrogen because of an increased use of natural gas to power the carbon capture. —Howarth and Jacobson. Carbon dioxide equivalent emissions of fugitive, unburned methane are shown in red. The methane leakage rate is 3.5%.

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Mercedes-Benz Vito gets OM 654 four-cylinder diesel engine

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Mercedes-Benz is expanding Vito van range with enhancements including new high-torque four-cylinder diesel engines for the Vito Tourer with passenger car approval. In comparison to the predecessor, the new OM 654 diesel engine range reduces emissions and fuel consumption while also optimizing noise and vibration comfort.

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A closer look at the basics of Volkswagen Group’s important new 2.0L diesel MDB engine

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liter diesel, prominently showing the closely attached exhaust aftertreatment system. liter TDI diesel (EA288) will eventually replace all the 2.0-liter liter TDI Clean Diesel engines fitted in Audi and Volkswagen TDI Clean Diesel models, and as such, is a strategically important engine. The new MDB EA288 diesel.

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Audi banking on Gen 2 3.0L TDI diesel for US sales; calls for a “fair shot” for diesel

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Audi of America introduced four new TDI clean diesel models for the US market this year—the Audi A8, A7, A6, Q5—along with an updated Q7 TDI, all equipped with a second-generation 3.0L V6 TDI diesel engine. Not only is it more powerful and contains up to 30% better efficiency than traditional gasoline, etc. .

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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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For the mobility of the future, we are deliberately not committing ourselves to one solitary form of drive system, but to a coexistence of efficient and clean petrol engines, diesels, plug-in hybrids, battery and hydrogen drive systems. Another feature of the new family of premium gasoline engines is near-engine exhaust aftertreatment.

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