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

Green Car Congress

Promising avenues include weight savings and extension of the cruising range in comparison with battery-powered solutions; fuel cell concepts may represent an attractive option for long-distance hauling, which requires heavy loads and large cruising ranges. Fuel cells are also sensitive to oil admixtures. Exhaust pathway.

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A closer look at the basics of Volkswagen Group’s important new 2.0L diesel MDB engine

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liter diesel, prominently showing the closely attached exhaust aftertreatment system. For example, depending on the emission requirements, 3 different types of exhaust gas recirculation (EGR ) can be used: cooled high-pressure EGR without low-pressure EGR; cooled low-pressure EGR without high-pressure EGR; or. Oil and vacuum pump.

Diesel 384
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BMW provides an update on waste heat recovery projects; Turbosteamer and the Thermoelectric Generator

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with technologies such as direct fuel injection, variable valve timing, exhaust-driven turbochargers, brake energy regeneration and Auto Start Stop function—about 60% of the generated energy is still lost, half of it being exhaust heat, with the remaining half as heat absorbed by the engine cooling system. Click to enlarge.

Waste 376
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Mercedes-Benz Trucks boosts power, lowers emissions and fuel consumption with latest generation OM 470 engine

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All the heavy-duty engines benefit from new low-friction engine oils. All these measures—in conjunction with a reduction in the exhaust gas circulation rate—lead to a further improvement in efficiency across the entire range of the engine mapping. Exhaust gas recirculation. Rated engine speed lowered.

Mercedes 150
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Mercedes-Benz powering ahead with €3B strategic engine initiative; increasing electrification, 48V; diesel and gasoline; cylinder deactivation

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The new six-cylinder in-line engine comes with an intelligent form of turbocharging: assisted by the ISG at start-off, the electric auxiliary compressor (eZV) guarantees immediate high torque when driving off and accelerating, bridging the time before the large exhaust turbocharger cuts in.

Gasoline 150
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New Mercedes-AMG C 63 S E PERFORMANCE 680hp hybrid with technology transfer from Formula 1

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Power delivery and torque build-up occur very spontaneously and without delay: as in Formula 1, the electric support of the exhaust gas turbocharger eliminates the turbo lag of the combustion engine, while at the same time the electric drive pushes powerfully from a standstill. liter engine with electrically assisted exhaust gas turbocharger.

Mercedes 259
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German team develops novel technique to determine fuel quality in plug-in hybrids

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Further, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid)—a mixture of mainly branched and unbranched alkanes—are becoming more popular as neat diesel substitutes or blend stocks. Problems due to aged fuels can occur at the fuel pump, injection systems or exhaust aftertreatment.

Plug-in 150