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Volkswagen Millerized 1.5 TSI ACT BlueMotion gasoline engine offers diesel-like fuel economy; derivatives may be applied in hybrid systems

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Volkswagen has developed and deployed a gasoline engine that offers diesel-like fuel economy but is significantly cheaper to buy. Compared with other gasoline engines, the intake valves of the 1.5 Chargers of this kind combined with gasoline engines are usually found only in high-performance cars. l/100 km (49 mpg US).

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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. Volkswagen also has a modular gasoline engine toolkit, the MOB (Modularen Ottomotor Baukasten), which includes the new EA211 series. The oil supply is realized by a volume-controlled vane pump. The EA288 2.0-liter Click to enlarge.

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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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There will be world premieres for new advanced technologies, such as the Integrated Starter-Alternator (ISG); the 48 V electrical system; and the electric auxiliary compressor (eZV). The new six-cylinder in-line gasoline engine M 256 features a 48 V electrical system. billion) in its strategic engine initiative.

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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.

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CPT, TU Wien study finds 48V mild diesel hybrid cuts engine-out NOx 9%, 4.5% fuel economy improvement

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The cost effectiveness of this approach is further underscored by its impact on lean NO x trap (LNT) and selective catalytic reduction (SCR) aftertreatment systems, which have less raw NOx emissions to process, potentially allowing for a reduction in exhaust system cost and complexity, and a longer service life. —Paul Bloore.

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

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Series-production plug-in hybrid electric vehicles equipped with diesel engines are already available in the market or planned for the future (e.g., A variation of the approach could be used for gasoline PHEVs.) Problems due to aged fuels can occur at the fuel pump, injection systems or exhaust aftertreatment.

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Audi power-dense 2.5L TFSI engine with electric biturbo delivers 591 hp from 2,480 cc; 48V subsystem for the turbo

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TFSI gasoline engine with an electric biturbo ( earlier post ) that delivers 441 kW (591 hp) and 650 N·m (479.4 By comparison: The new Ford Shelby GT 350 will feature a naturally aspirated 5.2L Turbochargers are typically driven by energy from the exhaust—i.e.,

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