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Researchers developing free-piston linear generator for exhaust waste heat recovery

Green Car Congress

Researchers in China have developed a novel free-piston linear generator (FPLG) to recover exhaust waste heat efficiently from a vehicle engine. The FPLG can be used in a small-scale organic Rankine cycle (ORC) system and can directly convert the thermodynamic energy of working fluid into electricity. —Tian et al. Prototype FPLG.

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Dynamically tuning the structure of platinum in catalytic converters to enhance performance under different conditions

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Researchers from France and Germany are proposing a new concept for the dynamic tuning of the structure of platinum nanoparticles on catalytic converters to enhance their performance—especially after cold starts and in urban traffic—and to reduce the consumption of expensive noble metal. Gänzler et al. Click to enlarge.

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Porsche unveils 2017 version of 919 Hybrid Le Mans prototype

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The 2017 model of the Porsche 919 Hybrid deploys a range of new innovations, particularly in the vehicle’s aerodynamics, the chassis and the combustion engine. Team Principal Andreas Seidl, who continues to serve as acting technical director, said that for the 2017 season, 60 to 70 percent of the vehicle is newly developed.

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Container ship to test running on Synthetic Natural Gas, provided by Audi

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MAN Energy Solutions and Wessels Marine GmbH announced a technical showcase whereby the 2017-retrofitted Wes Amelie , a 1,036-TEU feeder container ship, will use liquefied SNG (Synthetic Natural Gas) produced from renewable electrical energy as drop-in fuel. As a result, CO 2 emissions are expected to decline by 56 tons for this trip.

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New composite reduces rare earth element usage in three-way catalytic converters

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The high-performance, three-way catalytic (TWC) converter is one of the workhorses of emissions reduction for gasoline engines. Ce is an essential element in oxygen-storage materials that reversibly stores and releases large amounts of oxygen depending upon the partial oxygen pressure in the gas phase. —Professor Machida.

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Two engine options in new Mazda6; updated 2.5L with cylinder deactivation, turbo 2.5L with Dynamic Pressure Turbo

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A centrifugal pendulum has been adopted in the torque converter of the six-speed SKYACTIV-DRIVE automatic transmission, counterbalancing any vibration that might otherwise be felt when running on two cylinders. engine received a 2017 Wards 10 Best Engines award. The SKYACTIV-G 2.5T SKYACTIV-G 2.5T. engine.

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BMW makes SCR standard on all diesels in future; more models to receive GPF (including i8); new diesel engine for X3

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In the case of the BMW X1 xDrive18d and the BMW X1 sDrive 18d, the optimized reduction of emissions is linked to the introduction of a new, now dual-fed exhaust system.

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