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Chevrolet introduces second-generation Duramax 4-cylinder diesels; global engine

Green Car Congress

has several new parts, including a new water-cooled variable-geometry turbocharger; a new high-pressure common-rail fuel delivery system; a new Exhaust Gas Recirculation (EGR) system; a new intake manifold; a new cylinder head; a new cylinder block; a new balancer shaft unit; and a new Engine Control Module (ECM). Turbo (2.8L).

Diesel 334
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SwRI D-EGR gasoline demo vehicle delivers diesel efficiency at lower cost; potential for LEV III/Tier 3 emissions

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improvement in city fuel economy (24.5 Southwest Research Institute (SwRI) announced preliminary test results of its Dedicated-Exhaust Gas Recirculation (D-EGR) demonstration vehicle ( earlier post ) at the SAE 2014 World Congress in Detroit. D-EGR brake specific fuel consumption (BSFC) at 2000 rpm 2 bar BMEP dropped 14.3%

Gasoline 317
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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. Almost imperceptible restart of the engine.

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Ford moving to vehicle testing with advanced 2.3L MiGTDI engine research project; Tier 3 SULEV30 target with 25% fuel economy improvement

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20 bar BMEP @ 2000 - 4500 rpm. Composite intake manifold w/ integrated air-water charge air cooler assembly. Split, parallel, cross-flow cooling with integrated exhaust manifold. Cycle-based CAE analysis of fuel economy contribution of critical technologies. Earlier post.). I4 / 20 bar BMEP. Peak power. 8 bar BMEP.

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Downsized 5.5L V8 Biturbo in S 63 AMG Delivers 25% Fuel Savings Compared to Predecessor; Stop-Start is Standard

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For the first time, AMG is also utilizing the advantages of gasoline direct injection with spray-guided combustion and piezo-electric injectors: thanks to its higher thermodynamic efficiency, this technology makes more efficient use of fuel and leads to lower exhaust emissions.

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2023 Toyota Crown coming to US with standard hybrid powertrain, Hybrid MAX option

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Hybrid MAX produces powerful torque at low RPM for sporty, exhilarating driving and has an EPA-estimated 30 MPG combined city/highway fuel economy rating. liter inline 4-cylinder engine is tuned to hit peak torque between 2000-3000 RPM; the front electric motor helps maximize torque production. liter engine.

Hybrid 293
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VW introducing 1.8L EA888 Gen 3 engine in 2014 Jetta, Passat and Beetle; driving impressions

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Key advances for Gen 3 are in weight reduction, friction reduction, and the internal exhaust cooling system. TFSI with 125 kW (170 hp) has a combined fuel consumption of 5.7l/100 The A4 of model year 2000 with a 1.8 Improvements contributing to this better fuel economy come from many areas. Click to enlarge.

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