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

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estimated that with conversion by hydrothermal liquefaction (HTL) and upgrading, the wet waste resource availability in the United States could be converted to jet fuel that is equivalent to about 24% of the U.S. gasoline liter equivalent (GLE) and $0.94/GLE Skaggs et al. demand in 2016. —Ou et al.

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EU project HyFlexFuel converted sewage sludge and other biomasses into kerosene by hydrothermal liquefaction (HTL); SAF

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So far, renewable diesel and jet fuels are mainly derived from plant oils, but the EU Renewable Energy Directive limits the use of biofuel from food and feed crops since they do not meet sustainability requirements when produced at large scale. The decarbonization of the transportation sector will require large volumes of renewable fuels.

Convert 418
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Researchers use efficient microbial electrosynthesis cells to convert CO2 to butyric acid; upgrade to butanol

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Researchers from University of Girona (Spain) successfully used electrically efficient microbial electrosynthesis cells (MES) to convert CO 2 to butyric acid. V and an electric energy requirement of 34.6 Romans-Casas et al. Solventogenic butanol production was triggered at a pH below 4.8 kWh el kg −1 of butyric acid produced.

Convert 369
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UW Madison chemists discover new way to harness energy from ammonia

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A research team at the University of Wisconsin–Madison has identified a new way to convert ammonia to nitrogen gas through a process that could be a step toward ammonia replacing carbon-based fuels. To be able to complete the ammonia-to-nitrogen reaction under ambient conditions—and get energy—is a pretty big deal.

Energy 418
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Audi RS Q e-tron to use ethanol-to-gasoline/e-methanol blend in 2023 Dakar Rally

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In the next step, the three desert prototypes with electric drive and energy converter will run in the 2023 Dakar Rally with an innovative fuel—a blend of ethanol-to-gasoline (ETG) and e-methanol. With this innovative fuel, the combustion engine even achieves slightly higher efficiency than with fossil-based gasoline.

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Vertimass and European Energy to partner on CO2 to hydrocarbons via methanol pathway

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Vertimass and European Energy have completed a Letter of Intent (LOI) to integrate technologies for capturing carbon dioxide and converting it into hydrocarbon products around the world. —Søren Knudsen Kær , Head of Technology, Power-to-X of European Energy. —Vertimass CEO Charles Wyman.

Energy 342
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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

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At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 Cost of the new engine relative to gasoline baseline. Earlier post.). l/100 km) for a vehicle of that size.