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

Green Car Congress

However, during development, the project team was able to exceed the program expectation for engine-out NO x and exhaust temperature control in the catalyst warm-up mode and concluded that the tailpipe NO x targets can be met without the close coupled light-off SCR. Source: Achates Power.

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MAN Engines showcasing D3876 diesel engine for EU Stage V locomotives without exhaust after-treatment systems

Green Car Congress

One of its outstanding features is the in-line six, which meets the EU Stage V emission standard for locomotives without the need for an exhaust after-treatment system (EATS). The MAN D3876 LE63x meets EU Stage V for locomotives without the need for exhaust after-treatment systems.

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

Green Car Congress

The models will be available to order starting in January 2019 and will arrive in dealerships in spring. The characteristics of the engine include the stepped-bowl combustion process, two-stage exhaust turbocharging as well as the use of CAMTRONIC variable valve timing. The new G 350 d (fuel consumption, combined: 9.8-9.6

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Range Rover Evoque and Land Rover Discovery Sport now available as PHEVs: P300e

Green Car Congress

The new Range Rover Evoque and Land Rover Discovery Sport premium compact SUVs are now available with plug-in hybrid electric vehicle (PHEV) technology, with an electric-only range of up to 66 km (41 miles) and CO 2 emissions as low as 32 g/km. The ERAD features a light, compact and efficient synchronous permanent magnet motor.

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Pinnacle 4-stroke opposed-piston SI engine shows fuel economy improvements of between 30-60% at light loads, 12-30% at medium loads over conventional

Green Car Congress

The results represent a light-load indicated efficiency improvement of 15-30% (up to 40.9%). The test engine for the paper was a 250cc single-cylinder unit with dual-camshaft-actuated reciprocating sleeve valves for induction and exhaust. There is no ISFC improvement at high load. Pinnacle Engines’ 4-stroke opposed-piston engine.

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Cummins introduces 5L V8 diesel for North American light- and medium-duty commercial vehicles

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a new 5-liter V8 diesel engine designed to power pickup-and-delivery vehicles, other light- and medium-duty trucks, school buses and motorhomes. These available options, coupled with Cummins integration support, will minimize OEM engineering time and vehicle retooling costs, the company suggested. The new ISV 5.0 Click to enlarge.

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Study shows two-stroke scooters dominant source of air pollution in many cities; asymmetric polluters

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. … Chemical analysis of the emissions shows that SOA is mainly produced via photo-oxidation of aromatic VOCs, present in gasoline, from the exhaust. Finally, we present the first online measurements of aged exhaust showing that SOA formation also produces reactive oxygen species (ROS) with potentially detrimental effects on our lungs.

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