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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. TSI ACT BlueMotion delivers 96 kW / 130 PS with combined fuel consumption of 4.8 Compared with other gasoline engines, the intake valves of the 1.5 l/100 km (49 mpg US).

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FEV testing finds Transient Plasma ignition system increases fuel efficiency and decreases emissions

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liter, direct and port fueled injection, inline 4-cylinder gasoline engine commonly used in the Camry line of vehicles. The “Dynamic Force Engine” achieves one of the world’s best thermal efficiencies of 40% in gasoline powered vehicles according to Toyota. The Toyota 2.5L

Emissions 243
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Tula presenting diesel Dynamic Skip Fire technology at Future Diesel Powertrain Summit in Shanghai

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Importantly, dDSF is able to combine improved tailpipe emissions while simultaneously reducing fuel consumption, thus combining two critical objectives that have previously competed against each other. Comparison of baseline and dDSF CO 2 and NO x on HD FTP cycle and LLC. Source: Tula.

Diesel 221
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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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A joint study by Controlled Power Technologies (CPT) and Austria’s Technische Universität Wien (TU Wien) into 48V diesel mild hybrid technology verified a 9% reduction of NO x in raw engine-out emissions, while retaining the fuel economy and CO 2 benefits of diesel engine technology. —Paul Bloore.

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Transonic Looking at Final Funding Round This Year, Production Deployment of Supercritical Fuel System in 2014; 50-75% Improvement in Engine Fuel Economy

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TSCi combustion minimizes heat loss to the cylinder walls and in the exhaust. The TSCi injectors can work with a range of fuels (given appropriate software adjustment and control). Researchers at Syracuse University are working on a method to prepare, inject and combust supercritical diesel fuel. Source: Transonic.

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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 gasoline engine M 256 features a 48 V electrical system. The M 256 is the first member of a new family of premium gasoline engines that have for the first time been systematically designed for electrification from the outset. Mercedes-Benz is investing a total of around €3 billion (US$3.3 Click to enlarge.

Gasoline 150
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Mercedes brings lean-burn, stratified BlueDirect to CLA-Class for 7% boost in fuel economy; new all-wheel A-Class diesels

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liter, four-cylinder engine of the new CLA 250 is a member of the BlueDIRECT family of gasoline engines, and was first applied in combination with exhaust-gas turbocharging and external high-pressure exhaust gas recirculation in the E 250 Coupé introduced last year ( earlier post ). (It Source: Vent et al. Click to enlarge.