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Tsinghua Researchers Find that Sugarcane Juice is a Good Fermentation Feedstock for Algal Biodiesel

Green Car Congress

Researchers at Tsinghua University in China have shown that sugarcane juice is a good feedstock for biodiesel production, when used to support the growth of the alga Chlorella protothecoides by heterotrophic fermentation. Conversion ratios of sugar/biomass and sugar/oil using SCH were 15.2 higher than that using glucose, respectively.

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Energy-Efficient One-Pot Process for Conversion of Biomass to HMF

Green Car Congress

A team from the Chinese Academy of Sciences reports the production of 5-Hydroxymethylfurfural (HMF) from monosaccharide (fructose and glucose), polysaccharide (inulin) and the Jerusalem artichoke juice by a simple one-pot reaction including hydrolysis and dehydration using solid acid under mild conditions. —Yang et al.

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NREL and Ecopetrol in $2.3M CRADA agreement to optimize conversion of waste biomass to ethanol

Green Car Congress

The Cooperative Research and Development Agreement (CRADA) between NREL and Ecopetrol aims to optimize the conversion process for bagasse (the material left over after the sugars are removed from the sugar cane) and to analyze the economic case for commercial production of biofuel from these materials.

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A DIY E-bike Conversion on the Cheap

Cars That Think

Purpose-built electric bikes and e-bike conversions using hub-motors are now commonplace. That got me thinking, how hard would it be, and how much would it cost, to do a simple conversion now? That got me thinking, how hard would it be, and how much would it cost, to do a simple conversion now? If anything, it's gone up.

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Chromatin announces dual-purpose hybrid sorghum for sugar and bioenergy production

Green Car Congress

Chromatin’s SweetFuel hybrids are designed to capture the value of sugars produced in sorghum juice as well as the additional value of the energy stored in biomass or bagasse. Chromatin Inc. announced its dual-purpose SweetFuel sorghum hybrids, which combine high yields of both fermentable sugar and biomass per acre. —David Jessen.

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PNAS study finds Vertimass CADO efficient way to convert ethanol to biohydrocarbons; 40 to 96% reduction in GHGs, based on feedstock

Green Car Congress

Unlike prior processes for converting alcohols into hydrocarbons with multiple steps for dehydration, oligomerization, and hydrogenation, the Vertimass consolidated alcohol dehydration and oligomerization (CADO) conversion is accomplished in a single reactor system using a metal exchanged zeolite catalyst. Hannon et al. GJ in the near future.

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Edeniq and Usina Vale building bagasse-to-sugars and ethanol demo plant in Brazil

Green Car Congress

The demonstration plant will produce cellulosic sugars from sugarcane bagasse, the fibrous by-product of sugarcane juice extraction. The Brazil plant will also include the company’s proprietary reactor design for continuous enzymatic conversion of biomass to sugar.

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