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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

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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. fuels often do not auto-ignite at low loads. Lü et al.

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

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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. The blendstocks all have the potential to reduce life-cycle greenhouse gas emissions by at least 60 percent. West, Brian H.,

Engine 207
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DOE Co-Optima researchers identify 6 high-potential blendstocks

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Demonstration that autoignition performance of a broad range of fuels under ACI conditions correlates poorly with octane index, highlighting the need for new metrics. Establishment of modeling and analysis methods to characterize economic value and environmental performance across the supply chain.

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Geely invests in Carbon Recycling Intl.; vehicles fueled by methanol from CO2, water and renewable energy

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Geely Auto has invested significant resources in the development and promotion of methanol-fueled engines and vehicles over a long period and has already made progress with this technology in China. Methanol in China. Delving into the emissions side, Chen et al. times higher than that from gasoline. and Gong, H. Sileghem, L., Wallner, T.,

Renewable 150
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Study of Vapor Pressures of Gasoline-Alcohol Blends Finds That Dual-Alcohol Blends Can Result in RVPs Identical to That of Gasoline

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RVPs (predicted DVPE) of single- and dual-alcohol blends in gasoline with different relative proportions of ethanol and 1-butanol. The alcohols and hydrocarbons in the gasoline formed non-ideal mixtures with RVPs that were higher than would be expected for ideal mixtures. Resources. Credit: ACS, Andersen et al.

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GM and U Mich receive patent on plug-in series hybrid/extended range electric vehicle powertrain using multiple free piston linear alternator engines

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GM Global Technology Operations LLC and the Regents of the University of Michigan recently were awarded a US patent (Nº 8,261,860) for a plug-in series hybrid or range-extended electric vehicle powertrain using multiple free piston linear alternator (FPLA) engines. Ethanol blended hydrocarbon fuels can include higher ethanol blends (e.g.

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Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

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d) further provides for alcohol blends as follows: Special provisions for alcohol blends. (1) Hydrous ethanol (also sometimes known as azeotropic ethanol) typically ranges from 186 proof (93% ethanol, 7% water) to 192 proof (96% ethanol, 4% water). As used in this section and Sec. 40 CFR § 80.27(d) Conclusion.