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Study finds high exhaust temperatures within NTE operation for heavy-duty diesels with aftertreatment systems contribute to high nanoparticle concentrations

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The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Current 2010 USEPA emissions standards for NO x and PM are set at 0.20 Diesel engines for use in the US are certified on the Federal Test Procedure (FTP) cycle. Click to enlarge.

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Audi’s new 3.0L diesel; ready for 48V mild hybrid system

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TDI diesel engine for the European market. In the new Audi A5 and Q5 models, the V6 diesel outputs 210 kW (286 hp) as well as 620 N·m (457lb-ft) of torque (this engine version is not yet for sale. The use of a performance-regulated oil pump is also economically beneficial. Both ports have lower flow resistance.

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Chevron introduces new category of heavy-duty motor oil for severe duty applications; improved fuel economy

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division, maker of the Delo brand of heavy duty engine oils, lubricants and coolants, unveiled a new category of heavy duty motor oil designed to address the growth of severe duty applications in on- and off-highway markets. A critical part of this process is to find an engine oil which is not just heavy duty, but severe duty.

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MAN Diesel & Turbo delivers 1st IMO-certified two-stroke with Tier III NOx control, EGR systems

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The 158,000-m 3 crude-oil tankers will each be powered by individual MAN B&W 6G70ME-C9.5 two-stroke main-engines that feature integrated Exhaust Gas Recirculation (EGR) systems. EGR is a NO x emissions-control technology that works by recirculating a portion of an engine’s exhaust gas back to the engine cylinders.

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Mitsui O.S.K. Lines vessel demonstrates ocean-going diesel particulate filter

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Lines has started a demonstration test of the Diesel Particulate Filter (DPF) system installed on the diesel engine used for power generation on an MOL Group-operated ocean-going vessel. With research support from Nippon Kaiji Kyokai (ClassNK), MOL and Akasaka Diesels Ltd. Mitsui O.S.K.

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DENSO Develops Exhaust Gas Temperature Sensor With Improved Temperature Detection Accuracy

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DENSO Corporation has improved the temperature detection accuracy of its newly developed diesel exhaust temperature sensor. To improve the sensor’s temperature accuracy, DENSO increased the probe length to almost twice that of the conventional product and extended the sensing tip into the exhaust pipe.

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Toyota, Hino and Showa Shell to Test FT Diesel and Renewable Diesel Blend in Hybrid Transit Bus

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SSSKK) plan to begin trials on 1 July of a diesel-electric hybrid transit bus fueled by a mixture of Fischer-Tropsch diesel (FTD)—specifically, Shell’s gas-to-liquids (GTL) fuel—and hydrogenated vegetable oil (HVO), a type of renewable diesel offering similar characteristics to FTD. (Hino) and Showa Shell Sekiyu K.

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