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WPI researchers turn sewage sludge into renewable energy

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By Sharon Gaudin, Worcester Polytechnic Institute

May 17, 2021

Advanced Biofuels Biogas 

A team of researchers at Worcester Polytechnic Institute received a nearly $2 million grant from the U.S. Department of Energy to create renewable fuel from sewage sludge, a byproduct of wastewater treatment.

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Seaboard Energy, a division of Seaboard Foods and a wholly owned subsidiary of Seaboard Corp., announced it is building a renewable diesel plant in Hugoton, Kansas. The facility is constructed at the former Abengoa ethanol plant site.

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The U.S. Department of Energy's Advanced Research Projects Agency-Energy on May 14 awarded $35 million to 15 research projects that aim to advance new technologies to decarbonize biorefinery processes.

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Sen. Sheldon Whitehouse, D-R.I., on May 13 introduced the Sustainable Aviation Fuel Act, which aims to incentivize the production of sustainable aviation fuel (SAF), including the establishment of an aviation-only Low Carbon Fuel Standard.

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Washington Gov. Jay Inslee on May 17 signed legislation that will create a state-wide Clean Fuel Standard that will limit the aggregate, overall greenhouse gas emissions per unit of transportation fuel energy to 20 percent below 2017 levels by 2035.

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Energy Secretary Jennifer Granholm briefly discussed how biofuels will into the U.S. Department of Energy's priorities under the Biden administration during a House Committee on Appropriations hearing on May 6.

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Patrick Gruber, CEO of Gevo Inc., discussed plans for the company's first net-zero biofuels refinery during a first quarter earnings call held May 13. Engineering for the project is on track, he said, and financing work is ahead of schedule.

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Chevron Corp. announced May 11 that its wholly owned subsidiary Chevron U.S.A. Inc. is investing an additional $20 million in the Adopt-a-Port initiative with California renewable natural gas (RNG) provider Clean Energy Fuels Corp.

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Archaea Energy has announced that its Boyd County Sanitary Landfill gas (LFG)-to-renewable natural gas (RNG) project in partnership with Rumpke Waste & Recycling is fully operational. The plant is lcoated in Ashland, Kentucky.

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Aemetis Inc. released first quarter financial results on May 12. The company reported an 8 percent increase in ethanol revenues and discussed its renewable natural gas (RNG) and other advanced biofuel proejcts.

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Avfuel Corp. and Truckee Tahoe Airport District (KTRK)—an Avfuel-branded fuel provider—have partnered to provide a consistent supply of sustainable aviation fuel (SAF) to the Truckee aviation community.

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ORIX Corp. USA announced on May 11 the completion of an equity investment in BC Organics Anaerobic Digestion Facility, a commercial biorefinery in Wisconsin that processes dairy manure into renewable natural gas (RNG), and other products.

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Natural Resources Canada is seeking proposals for innovative forest sector technologies under the Investments in Forest Industry Transformation program. Biofuel and biobased chemical projects are among those eligible for the program.

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ADM on May 10 announced its plan to build North Dakota's first-ever dedicated soybean crushing plant and refinery to meet fast-growing demand from food, feed, industrial and biofuel customers, including producers of renewable diesel.

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U.S. Department of Energy on May 10 announced the selection of four projects totaling $1 million to conduct cutting-edge applied research and development concerning the interaction between promising biofuels and combustion engines.

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Neste announced it has opened two new Neste MY Renewable Diesel fueling stations in southern California. The company's ambition is to create a renewable diesel fueling network across the U.S. West Coast.

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Alsie Express has announced the launch of a collaboration with Sønderborg Airport in Copenhagen and Danfoss, among others, to introduce sustainable aviation fuel (SAF) into its operations in Denmark.

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Southern Company Gas announced that it has taken ownership of the Meadow Branch Landfill Methane Recovery Facility, the renewable natural gas facility located at the Meadow Branch Landfill in Athens, Tennessee, from sister company PowerSecure.

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Clean Energy Fuels Corp. announced new renewable natural gas (RNG) contracts as fleets across North America increasingly continue to adopt the clean, low-carbon fuel to power heavy- and medium-duty trucks.

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CVR Energy Inc. has announced progress is continuing on its two renewable diesel projects. The conversion process at the Wynnewood refining is continuing and a feasibility study is underway for the proposed Coffeyville converison.

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Cayuga RNG Holdings LLC announced on May 4 that it has entered into definitive agreements to develop dairy farm digester projects to produce renewable natural gas (RNG) in upstate New York. The first project is scheduled to be complete in 2022.

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Marathon Petroleum announced progress with its renewable diesel projects, including efforts to reduce the carbon intensity (CI) of biofuel produced at the Dickinson, North Dakota, plant using wind energy, during the company's Q1 earnings call.

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The U.S. EPA on May 5 published a notice announcing it will disclose confidential business information (CBI) to the U.S. Government Accountability Office that is associated with small refinery exemption (SRE) petitions filed under the RFS.

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Brightmark on May 4 broke ground on the Caballero renewable natural gas (RNG) project, which includes the construction of new anaerobic digesters at Caballero Dairy Farms, an 8,800 animal farm in Eloy, Arizona.

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The U.S. EIA on April 30 released data showing that approximately 20.64 billion gallons of operatable U.S. biofuels production capacity was in place in February 2021, down from 20.67 billion gallons of capacity in January.

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A new network of former lawmakers, farm leaders, and clean energy advocates has gathered under the banner of Carbon-50 to support an inclusive, 50-state strategy to address climate change, and has outlined principes for its a 50-state carbon plan.

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Avfuel Corp. has announced an agreement with Textron Aviation under which Avfuel will supply the company with Neste MY Sustainable Aviation Fuel at its Wichita headquarters location on an ongoing basis.

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The U.S. EPA on April 30 filed a motion in the U.S. Court of Appeals for the Tenth Circuit asking the court to vacate and remand three SREs approved by the Trump administration on Jan. 19, the day before President Biden's inauguration.

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The U.K. on April 20 announced its sixth Carbon Budget sets a new goal to reduce emissions by 78 percent by 2035 when compared to 1990 levels, and for the first time will incorporate the U.K.'s share of international aviation and shipping emissions.

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The USDA Rural Business-Cooperative Service on April 27 published a final rule for the Rural Energy for America Program that makes changes related to the OneRD guaranteed loan regulation and 2018 Farm Bill.

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