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UC Davis team optimizes levulinic ester self-condensation process for production of cellulosic gasoline

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A team at UC Davis has optimized the levulinic ester self-condensation reaction and the efficient conversion of its products—which are highly branched cyclopentadienes—into a mixture of substituted cyclopentanes with high octane ratings and excellent density and flow properties. Zheng Li, Andrew L.

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UC Davis process produces gasoline-range hydrocarbons from biomass-derived levulinic acid; field-to-tank yield of >60% claimed

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GC-MS chromatogram of the liquid products obtained after hydrodeoxygenation of angelica lactone dimer. Considering that levulinic acid is available with more than 80% conversion from raw biomass, a field-to-tank yield of drop-in, cellulosic gasoline of more than 60% is possible, the researchers claimed. Source: Mascal et al.

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Researchers explore catalytic partial oxidation reformation of diesel, gasoline, and natural gas for “single-fuel RCCI”

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Researchers at Stony Brook University, with colleagues from The City College of New Tyork, Alloy Surfaces and Innoveering, explored the catalytic partial oxidation (CPOX) reforming of three potential transportation-relevant fuels—gasoline, diesel, and natural gas—for use in low-temperature combustion (LTC) engines.

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NREL process boosts production of ethanol from algae

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They concluded Scenedesmus performed better in this process with impressive demonstrated total fuel yields of 97 gallons gasoline equivalents (GGE) per ton of biomass. By applying certain processing techniques, microalgal biomass can produce carbohydrates and proteins in addition to lipids, and all of these can be converted into co-products.

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ZeaChem signs contract to develop advanced drop-in biofuels beyond cellulosic ethanol

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The USDA project will establish regional systems for the sustainable production of bioenergy and bio-based products. ZeaChem says its role in the USDA project is the logical progression of its phased development strategy, in which it researches and develops saleable products at each step toward commercialization. ZeaChem Inc.,

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DOE awards $35M to 15 projects in ARPA-E ECOSynBio program to reduce carbon footprint of biofuel production

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Many biofuels, including ethanol, biodiesel and other products derived from organic material (biomass), are almost exclusively produced via fermentation. Carbon-Negative Chemical Production Platform - $4,160,262.57. Acetate as a Platform for Carbon-Negative Production of Renewable Fuels and Chemicals - $3,421,197.10.

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Argonne LCA finds renewable diesel from algae fractionation has 63-68% lower GHG than petroleum diesel

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In some algal biofuel production methods, lipids are extracted from algae and converted to renewable diesel, while the non-lipid components of the algae are converted to biogas. The biogas is used for renewable heat and electricity to power the conversion process of the lipids to renewable diesel. Fractionation process flow diagram.

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