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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. 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.

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Taiwan team engineers E. coli to produce n-butanol from glycerol

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Researchers at Feng Chia University in Taiwan have engineered the bacterium Escherichia coli to produce n-butanol from crude glycerol—a byproduct of the production of biodiesel. In an open-access paper in the journal Biotechnology for Biofuels , they report that under microaerobic conditions, the engineered strain produced 6.9

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CASE unveils first fully electric backhoe loader: the 580 EV

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The backhoe loader is perfectly suited for electrification as the varied use cycles, from heavy to light work, provide an excellent opportunity to convert wasted diesel engine hours into zero consumption battery time—yet provide the operator with instantaneous torque response when needed. and Moog Inc.,

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UPS/Greenbiz study identifies motivators and barriers to electric fleets

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In addition to the fuel savings, electric vehicles typically require less maintenance than traditional internal combustion engine vehicles, which means lower maintenance costs. Fifty-five percent of respondents cited the initial purchase price of electric commercial vehicles as the top barrier.

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Two case studies outline how Houston and Loveland are saving money with EVs in their fleets

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City officials in Houston estimate that the city’s 27 Nissan LEAF electric vehicles will save the city $110,000 annually compared to internal combustion engine vehicles. Loveland is now aiming to convert all of its light-duty fleet vehicles that work within a close distance of the city to EVs. Earlier post.).

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Natural gas option available for Freightliner 114 severe duty trucks

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The 114SD SBA natural gas truck expands Freightliner’s alternative fuel product offerings. Designed for vocational and municipal customers such as dump, refuse and sewer vacs, the factory-built 114SD SBA natural gas truck will include the lightweight Cummins ISLG natural gas engine.

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Univ of Washington team working to make poplar coppice viable cheap, high-volume biofuel feedstock

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The UW team is the first to try converting the entire young tree—leaves, bark and stems—into bio oil and ethanol using two separate processes. —Chang Dou, a doctoral student in the UW’s Bioresource Science and Engineering program and lead author on both papers. Chang Dou/University of Washington. Click to enlarge.