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New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

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In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). Cutting off at 23 nm avoids these ‘semi-volatiles’, whereas 6 nm is a much more comprehensive range. This shows that 13.4

Exhaust 539
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Mercedes-Benz Trucks launching 3rd generation of OM 471 heavy-duty diesel

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For example, the geometry of the piston recess, the injection nozzle design and the parameters of the cylinder head relevant for gas exchange were subject to an extensive optimization process. Reduced friction losses and pressure control with low-viscosity oil. Newly-developed exhaust gas aftertreatment system.

Mercedes 435
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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.

Engine 293
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Empa and partners exploring DME as fuel with new heavy-duty test engine

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In cooperation with a major European supplier, a new oil-lubricated common-rail pump had therefore been developed. An electrically driven compressor for precise exhaust gas recirculation is also used. This is done via exhaust gas recirculation (EGR). —Patrik Soltic. The first results are very promising.

Engine 410
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ABS grants Alfa Laval the marine industry’s first approval in principle (AIP) for firing boilers with methanol

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Alfa Laval offers a range of oil-fired and oil and exhaust gas-fired boilers for ships. The oil-fired Aalborg OS-TCi is supplied as a pre-assembled boiler unit with an integrated pressure atomizing burner (KBM burner) controlled and monitored with Aalborg Laval Touch Control system.

Mariner 416
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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.

Engine 221
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Study finds engines emit exhaust nanoparticles even when not fueled during engine braking

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Exhaust particle size distributions measured by ELPI (color map) and particle concentration measured by CPC (white line) during individual engine braking conditions (speed change from 32 km/h to 0 km/h). The exhaust sample was taken from the exhaust manifold. The exhaust sample was taken from the exhaust manifold.

Exhaust 319