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DOE researchers investigate economic and environmental impacts of converting wet waste to renewable diesel

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An open-access paper on their results is published in the journal ACS Sustainable Chemistry & Engineering. Cost breakdown of the minimum fuel selling price for MCCI fuel produced from (a) yellow grease and (b) swine manure HTL, in comparison to the diesel price of $0.79/GLE. 1c06561.

Waste 434
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Liacon introduces new 12V Group 31 LFP battery with a 4000+ cycle life

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Delivery fleets, marine vessels, recreational vehicles, renewable energy storage, and construction equipment all use this standard. In comparison our lithium-iron-phosphate (LFP) batteries have ten times the life, cycling over 4,000 times. Group 31 batteries are one of the highest selling in the market. —Philip M.

Lead Acid 435
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FEV study finds optimizing engine for renewable diesel use reduces fuel consumption and emissions

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Neste Renewable Diesel has already been shown to be able to reduce greenhouse gas emissions by up to 90% on a full lifecycle basis compared to conventional fossil diesel. The results are dependent on the chosen engine, and the improvements may not all be achieved simultaneously. On a non-optimized basis (i.e.,

Renewable 150
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Cornell team suggests engineered bacteria could address current limitations of energy storage technologies

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Raising the penetration of renewable —an intermittent—sources of energy into the grid will require large scale electrical energy storage and retrieval. —Buz Barstow, senior author and assistant professor of biological and environmental engineering. —Farshid Salimijazi, first author.

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NREL develops novel method to produce renewable acrylonitrile; carbon fibers from renewable biomass

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Researchers from the National Renewable Energy Laboratory (NREL) and their colleagues have devised a novel catalytic method to produce renewable acrylonitrile (ACN) using 3-hydroxypropionic acid (3-HP), which can be biologically produced from sugars. Conceptual process diagram for renewable ACN production from biomass sugars.

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Ricardo forms company to commercialize cryogenic split-cycle engine: CryoPower

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Ricardo has created a company—Dolphin N2 Ltd—to commercialize its CryoPower cryogenic split-cycle engine technology ( earlier post , earlier post.) The combustion process utilizes either renewable or traditional fuels, liquid or gaseous, and delivers heat energy back to the chilled and compressed intake air.

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Engine testing shows environmental and performance benefits of hydrotreated vegetable oil as renewable diesel fuel

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Comparison of power loss and fuel consumption among BD, HVO and iso-HVO. liter diesel engine and passenger car. liter diesel engine and passenger car. The engine was not modified or tuned; duration of each test was 60 minutes, and all tests were conducted 3 times. Bio-hydrocarbons Diesel Emissions Engines Fuels'

Diesel 246