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Study finds highly-turbocharged alcohol-fueled DISI engines could be more efficient than diesels

Green Car Congress

Highly turbocharged alcohol-fueled direct-injection spark-ignition (DISI) engines operated at a high compression ratio could be as or more efficient than diesel engines while also providing advantages of lower vehicle cost, lower emissions and higher power, according to a recent modeling study by Leslie Bromberg and Daniel Cohn at MIT.

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Ford E85 Direct Injection Boosting Study: A Less Expensive Alternative to Diesel

Green Car Congress

The resulting higher BMEP levels allow downsizing of the engine at equivalent vehicle performance. EBS has a collaborative R&D agreement with Ford, and participated in the study reported at the World Congress. In the study, Ford applied the E85 boosting approach to two engines: an early prototype 3.5-liter

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Delphi Powertrain Study Concludes 3-Cylinder Turbo Gasoline Direct Injection Engine Offers a High-Value NOx and CO2 Solution for Cost-Sensitive Vehicle Segments

Green Car Congress

CO 2 reduction potential vs. OEM On-cost for turbocharged GDi and turbo-Diesel technologies to meet Euro 6 standards. The Delphi study assessed the technology of downsizing and turbocharging; GDI fueling and its synergies with turbocharging; and an analysis of downsized 3-cylinder versus 4-cylinder engines.

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Ricardo: achieving light-duty diesel RDE NOx compliance in urban driving is possible, at a price

Green Car Congress

Future RDE emissions legislation and fleet average CO 2 targets represent a challenge for automakers wishing to provide cost-effective light duty diesel vehicles. liter diesel engine. Diesel C-segment CO 2 emissions by a further 15-20 percent, and showing a clear pathway to 70g/km.

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Federal-Mogul lean tool steel offers an easily-machined, durable, valve seat material for downsizing and alt-fuel engine demands

Green Car Congress

Federal-Mogul Corporation has developed a cost-effective new material for valve seat inserts that helps manufacturers meet the durability demands of engine downsizing and alternative or high-octane blended fuels.

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Study finds technology cost of achieving European 2020 LDV CO2 targets more than offset by resultant fuel savings

Green Car Congress

The technical and macro-economic study, commissioned by the European Climate Foundation, focuses on light-duty vehicles. The Phase I study assesses two scenarios against a reference case in which vehicle efficiency is frozen at the current level. The project is taking a phased approach.

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ADEPT project to apply gasoline engine HyBoost system to diesel; 48V architecture; full hybrid fuel economy at much lower cost

Green Car Congress

The Ricardo-led Advanced Diesel Electric Powertrain (ADEPT) project will apply 48V “intelligent electrification” concepts, mild hybridization and waste heat recovery in a Ford Focus diesel demonstrator. Diesel Fuel Efficiency Hybrids Vehicle Systems' The overall project budget is approximately £3.25 million (US$5 million).