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MAN D3876 engine ensures high thrust and future-proofing in PistenBully 800; engine basis for possible H2 variant

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One of the decisive factors for this performance is the VTG turbocharger, which optimizes the dynamic response in the off-road-specific speed ranges thanks to its variable turbine geometry (VTG). In addition, this technology displays the maximum power and torque over a wide speed range.

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MAN Engines approves off-road engines for use with regenerative diesel/HVO

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According to MAN Engines, all MAN off-road engines from the current product portfolio can be operated with regenerative diesel—also known as HVO (hydrogenated vegetable oil)—in accordance with the EN15940 standard in Europe or the US specification ASTM D975. Marine engines for regenerative diesel have already been approved.

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CMU study finds secondary organic aerosol production from PFI and GDI vehicles has been “substantially” reduced by tightening NMOG standards

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Further, their data suggest that this trend will continue with the implementation of the new federal Tier 3 and California LEV III standards. Further, they found no difference in SOA production between PFI and GDI vehicles certified to the same standard. —Zhao et al.

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US study of miners links heavy exposure to diesel exhaust to increased risk of lung cancer death; researchers suggest implications for urban areas with high exhaust concentrations

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In a study of non-metal miners in the US, federal government scientists report that heavy exposure to diesel exhaust increased risk of death from lung cancer. For never-smokers, risk of lung cancer death increased with increasing diesel exhaust exposure. effect of diesel exhaust exposure on lung cancer mortality in.

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MAN Engines releases first IMO Tier III engines for workboats; low-cost, SCR-only solution

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MAN Engines—a business unit of MAN Truck & Bus, itself a member of the Volkswagen Group—is now offering 12-cylinder, IMO Tier III emission standards engines for workboats, spanning a power range from 551 to 1,213 kW. The essentially maintenance-free exhaust gas aftertreatment system is extremely lightweight, as well.

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Mercedes-Benz Buses Meet EEV Emissions Standard Without Diesel Particulate Filter

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Previously the BlueTec engines were able to fulfill the optional EEV emissions standard through a combination of SCR (Selective Catalytic Reduction) technology and an additional diesel particulate filter. Additional exhaust gas aftertreatment via SCR is not necessary. This system will also continue to be available.

Mercedes 210
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Case To Use SCR and Cooled EGR to Meet Tier 4 Standards

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Case Construction Equipment, part of the Fiat Group, will use two distinct technologies—cooled exhaust gas recirculation (CEGR) and selective catalytic reduction (SCR)—to address US EPA Tier 4 interim standards across its product line, which includes more than 90 equipment models, ranging from 11.3 hp) to 397 kW (532 hp).

Standards 186