Remove 2000 Remove Exhaust Remove Gasoline
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ORNL team finds catalytic EGR reforming can decrease fuel consumption 8% in gasoline engine

Green Car Congress

In an open-access paper published in the ACS journal Energy & Fuels , they report that under an engine operating condition of 2000 rpm and brake mean effective pressure (4 bar), catalytic EGR reforming made it possible to sustain stable combustion with a volumetric equivalent of 45%–55% EGR. —Jim Szybist, ORNL. Earlier post.]

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Promising Delphi 1st-gen Gasoline Direct Injection Compression Ignition engine meeting ultra fuel efficient program targets

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GDCI engine was significantly better than advanced production spark injection gasoline engines, and comparable to very efficient hybrid vehicle engines at their best efficiency conditions (214 g/kWh). This early work established that gasoline-like fuels with high resistance to autoignition are preferred for PPCI. Combustion stability.

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Brunel engineers optimizing CAI combustion in 2-stroke camless gasoline DI engine

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Operating range of 2-stroke CAI fueled with gasoline, E10 and E85. Accordingly, the processes have been extensively researched over the last decade and adopted on prototype gasoline engines (e.g., To minimize the air short-circuiting rate, the intake and exhaust valve timings were adjusted. Zhang et al. 2013a) Click to enlarge.

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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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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. liter gasoline direct injection engine. D-EGR brake specific fuel consumption (BSFC) at 2000 rpm 2 bar BMEP dropped 14.3%

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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.

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Delphi advancing Gasoline Direct-Injection Compression-Ignition engine concept; new two-stage supercharger/turbocharger boost system

Green Car Congress

At SAE World Congress next week in Detroit, Delphi Automotive will present two technical papers describing its ongoing progress with the Gasoline Direct-Injection Compression-Ignition (GDCI) engine concept. Good low-speed BMEP was predicted with maximum BMEP of 20 bar at 1800 to 2000 rpm. Source: Sellnau et al. Click to enlarge.

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Fiat introducing new 2-cylinder 0.9L Turbo TwinAir in 2014 MiTo mini

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The gasoline engine delivers 105 hp (72 kW) at 5500 rpm and maximum torque of 145 N·m (107 lb-ft) at 2000 rpm/min, with combined cycle fuel consumption of 4.2 This is the lowest consumption of any of the gasoline or diesel MiTo engines, while power delivery and torque are the second-highest of the MiTo gasoline range.

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