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Honda outlines technology for fuel efficiency push; engines, transmissions, hybrid, plug-in hybrid and electric powertrains

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class gasoline engine. outlined its plans for next-generation automotive technology&madsh;which it is labeling “Earth Dreams Technology”—comprising a series of measures to improve the efficiency of gasoline and diesel engines, transmissions, hybrid and plug-in hybrid systems and electric powertrains. Gasoline engine.

Honda 246
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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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In addition to its twin turbos, the new eight-cylinder unit—known internally as the M 157—features gasoline direct injection with spray-guided combustion and twin turbochargers. AMG has developed a 5.5-liter The new AMG 5.5-liter MCT 7-speed sports transmission with Controlled Efficiency mode and stop-start function.

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Researchers propose evaluating alt fuel efficiency based on energy rather than volume; impact of ethanol on vehicle efficiency and GHGs

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Relative changes in vehicle energy efficiency (VEE) (km/MJ) on ethanol/gasoline blends over those on gasoline for different blending levels. Several recent highly cited LCAs that have incorporated vehicle efficiency differences between gasoline and ethanol/gasoline blends could potentially be misleading. Click to enlarge.

Fuel 210
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DOE awards Envera $2.8M to develop and to test efficient variable compression ratio engine

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All three engine BSFC curves correspond to an engine speed of 2000 rpm.Click to enlarge. The new engine will achieve high efficiency using the Atkinson Cycle with an 18:1 compression ratio, combined with aggressive engine downsizing. Engine downsizing is a key tool in improving fuel economy. Earlier post.). Earlier post.).

Engine 207
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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.

Gasoline 304
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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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Ford’s approach to the project was to engineer a comprehensive suite of gasoline engine systems technologies, including: Aggressive engine downsizing in a mid-sized sedan from a large V-6 to a small I-4. 20 bar BMEP @ 2000 - 4500 rpm. 1, and the engine is designed to run on 98 RON gasoline. Electric TiVCT system.

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Aeristech launches new 48V electric supercharger

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UK-based Aeristech has introduced a new 48V electric supercharger capable of continuous operation at high boost levels. Aeristech’s 48v eSupercharger has already been demonstrated by MAHLE Powertrain UK in a D-segment appraisal vehicle using its downsized turbocharged 1.2 liter, 3-cylinder gasoline engine. Source: Aeristech.