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ExxonMobil Research files patent application on methods for expanding HCCI and other advanced combustion modes load range with fuel-alcohol blends

Green Car Congress

ExxonMobil Research and Engineering Company has filed a US patent application (# 20100326387 , published 30 December 2010) on methods using a wide range of fuel-alcohol blends to expand the operating envelope of engines operating in advanced combustion modes. reduced maximum rates of pressure increase during HTHR.

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Study Finds Strong Synergy Between Spark Ignition Engine Downsizing and Low-to-Moderate Alcohol Blend Fuels

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A study by engineers from Mahle Powertrain Ltd and BP found strong synergy between spark ignition (SI) engine downsizing and fuel containing low-to-moderate amounts of alcohol, including ethanol and butanol. The researchers found that the combination of technologies allowed improvements in fuel economy over the engine drive cycle.

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DOE to award up to $4.5M to increase acceptance and deployment of alt fuel vehicles

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million ( DE-FOA-0000951 ) to create and implement high impact and highly innovative approaches to increase the acceptance and deployment of Alternative Fuel Vehicles (AFVs). The alternative fuel types to be addressed under this FOA are specified by the Energy Policy Act of 1992 and are: Methanol, ethanol, and other alcohols.

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DOE to award up to $4.5M to projects for alt fuel and advanced vehicle deployment

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The US Department of Energy (DOE) Office of Energy Efficiency and Renewable Energy’s (EERE) Vehicle Technologies Office (VTO) intends to issue a Funding Opportunity Announcement ( DE-FOA-0001097 ) entitled “Alternative Fuel and Advanced Vehicle Deployment Initiatives”. Blends of 85% or more of alcohol with gasoline.

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DOE Co-Optima report identifies top ten bio-blendstocks for efficiency in boosted SI engines

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A new Co-Optimization of Fuels & Engines (Co-Optima) report describes the top ten biofuel-derived blendstock candidates. These top candidates, when blended with petroleum and used in a boosted spark ignition (BSI) engine, will offer environmental benefits and boost energy efficiency all while being available at a competitive price.

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NREL study probes emissions impact of butanol-gasoline blends in light-duty vehicles

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Summary of significant emissions results from the fuel testing. This study points to the need for more extensive emissions measurements for these new fuels as well as research to gain a better understanding of the biological effects of the NMOG components that they produce, the team concludes. Credit: ACS, Ratcliff et al.

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Co-Optima releases capstone report on first 4 years of work

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For the past four years, the Co-Optimization of Fuels & Engines (Co-Optima) National Laboratory consortium has focused research efforts primarily on turbocharged (boosted) spark-ignition (SI) engines for light-duty vehicles. The report highlights researchers’ answers to three vital questions: What fuels do engines want?