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Tech: Renewable Diesel: A Sustainable Substitute

Clean Fleet Report

Today, it is a cost-neutral way for fleet owners to achieve their goals by allowing them to convert an entire diesel-powered fleet to alternative fuel overnight. Renewable diesel can be produced using various technologies including those that process solid biomass, liquid biomass, waste gasification and pyrolysis.

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$4M ARPA-E award to Lanzatech to improve design of bioreactors for waste-gas-to-fuels fermentation technology

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LanzaTech, a producer of low-carbon fuels and chemicals from waste gases, was awarded a $4-million grant by the Advanced Research Projects Agency-Energy (ARPA-E) as one of the 15 REMOTE projects ( earlier post ) receiving a combined $34 million to find advanced biocatalyst technologies that can convert natural gas to liquid fuel for transportation.

Waste 218
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Virginia Tech team develops process for high-yield production of hydrogen from xylose under mild conditions

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A team of Virginia Tech researchers, led by Dr. Y.H. Percival Zhang, has developed a process to convert xylose—the second-most abundant sugar in plants—into hydrogen with approaching 100% of the theoretical yield. Support for the current research comes from the Department of Biological Systems Engineering at Virginia Tech.

Virginia 331
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DOE awards $97M to 33 bioenergy research and development projects

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These projects will improve the performance and lower the cost and risk of technologies that can be used to produce biofuels, biopower, and bioproducts from biomass and waste resources. Scale-up and Qualification of Net-Zero Sustainable Aviation Fuels from Wet Waste. Topic 2: Waste to Energy Strategies for the Bioeconomy.

Waste 186
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Aemetis to license InEnTec gasification technology to produce cellulosic ethanol; coupled with LanzaTech syngas-to-ethanol tech

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The gasification technology complements Aemetis’ current license with LanzaTech for syngas-to-ethanol conversion, providing Aemetis with a complete technology solution to produce locally-sourced, low-carbon cellulosic ethanol. —Eric McAfee, Chairman and CEO of Aemetis.

Renewable 170
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Virginia Tech professor proposes simple biomass-to-wheel efficiency analysis to inform decisions on biomass/biofuel/powertrain combinations; the advantage of sugar fuel cell vehicles

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However, notes Virginia Tech Prof. only 7% of the chemical energy in corn kernels is converted to the kinetic energy on wheels, implying a great potential in increasing biomass utilization efficiency. Conceptual hybrid power train system including on-board sugarto-hydrogen converter, PEM fuel cell and rechargeable battery.

Virginia 246
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ECP Developing Plasma-Assisted Compact Fischer-Tropsch Gas-to-Liquids System

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The proposed system uses a low-cost GlidArc plasma reactor to clean synthesis gas generated by simple gasification; the cleaned product gas is then compressed for processing by the compact plate reformer. This step deals with all complex molecules and converts them into hydrogen and carbon monoxide. Click to enlarge.

Gas 220