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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. The internally funded advancement successfully reduced heavy-duty diesel engine nitrogen oxide (NO x ) emissions to meet the California Air Resources Board (CARB) 2027 standards.

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

Mercedes-Benz has begun sales of two diesel models of the new GLE SUV which already comply with the coming Euro 6d emissions standard. With the near-engine insulated configuration, exhaust-gas aftertreatment does not suffer great levels of heat loss and generates extremely favorable operating conditions.

Diesel 326
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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. TSI in the up!

2018 305
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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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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
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Iveco begins deliveries of heavy-duty Euro VI natural gas trucks

Green Car Congress

Iveco has begun deliveries of the first units of Stralis Natural Power Euro VI, the new heavy-duty range of natural gas-powered vehicles. Iveco offers a complete range of light-, medium- and heavy-duty commercial vehicles as well as buses powered by natural gas.

Gas 218
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ICL briefing paper estimates that 52% of all small particle pollution from road transport comes from tires and brakes

Green Car Congress

Despite this, research on the environmental and health impacts of tire wear has been neglected in comparison to the research and innovations dedicated to tackling fuel emissions. As tires break down they release a range of particles, from visible pieces of tire rubber to nanoparticles. They are small enough to reach into the deep lung.

Pollution 243