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SwRI CAT-DEF reduces heavy-duty diesel emissions to meet CARB 2027 NOx requirements

Green Car Congress

CAT-DEF—Catalyzed Diesel Exhaust Fluid—is an SwRI-developed catalyst- and surfactant-modified diesel exhaust fluid (DEF) solution. urea-water solution—is injected into the exhaust stream and ideally decomposes to form ammonia, which reacts with NO x on the SCR catalyst to form N 2 and H 2 O. DEF—a 32.5

Diesel 284
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Mercedes begins sales of new 6-cylinder GLE diesel; first SUV in its class to meet Euro 6d

Green Car Congress

Certification in accordance with the Euro 6d standard (RDE stage 2) not prescribed for new models until 1 January 2020 is possible due to measures including extended exhaust gas aftertreatment with an additional underbody SCR catalytic converter including ammonia slip catalyst (ASC) in the underbody.

Diesel 326
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Study finds high exhaust temperatures within NTE operation for heavy-duty diesels with aftertreatment systems contribute to high nanoparticle concentrations

Green Car Congress

The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. The particle number count under those conditions increased by more than an order of magnitude in comparison to DPF-out particle concentrations. Credit: ACS, Thiruvengadam et al. Click to enlarge.

Exhaust 218
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VW’s 1.0 TSI in the new up! GTI wins International Engine of the Year 2018 award in its category; Euro 6d-TEMP

Green Car Congress

Exhaust gas after-treatment paired with innovative features inside the engine enables the GTI engine to meet the new EU 6AG (Euro 6d-TEMP) emission standard. GTI—available since spring this year—is the latest addition to the EA211 range of engines. It also comes with a gasoline particulate filter. The 85 kW / 115 PS 1.0

2018 305
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MAHLE developing portfolio of solutions for fuel cell drives in commercial vehicles

Green Car Congress

MAHLE is developing a modular fuel cell systems portfolio focused on commercial vehicles, based on its current range of components. In the flat membrane humidifier, the exhaust and supply air are in cross flow and separated from the membranes. Exhaust pathway. New opportunities are opening up for heavy-duty commercial vehicles.

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Study finds scrubbers have lower climate impact than low-sulfur fuel

Green Car Congress

A recent report from CE Delft, an independent research and consultancy organization, regarding the climate impact of Exhaust Gas Cleaning (EGC) systems for the marine industry. The study compares the results to the use of low-sulfur marine fuels and is made from a well-to-wake perspective in order to achieve an accurate comparison.

Climate 243
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Mercedes-Benz Vito gets OM 654 four-cylinder diesel engine

Green Car Congress

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.

Mercedes 186