[Due to the increasing size of the archives, each topic page now contains only the prior 365 days of content. Access to older stories is now solely through the Monthly Archive pages or the site search function.]
Argonne LCA finds renewable diesel from algae fractionation has 63-68% lower GHG than petroleum diesel
October 22, 2016
A new analysis from Argonne National Laboratory, funded by the US Department of Energy’s Bioenergy Technologies Office (BETO), shows the potential of an algae fractionation process to produce renewable diesel fuel with 63%–68% lower greenhouse gas (GHG) emissions than conventional diesel. The study is published in the journal Algal Research.
In some algal biofuel production methods, lipids are extracted from algae and converted to renewable diesel, while the non-lipid components of the algae are converted to biogas. The biogas is used for renewable heat and electricity to power the conversion process of the lipids to renewable diesel.
ARPA-E to issue funding opportunity for advanced technologies for seaweed cultivation for fuels and chemicals
September 09, 2016
The Advanced Research Projects Agency – Energy (ARPA–E) intends to issue a new Funding Opportunity Announcement (FOA ) in November, 2016, for the development of advanced cultivation technologies that enable profitable and energy efficient production of macroalgal-biomass (seaweeds) in the ocean. ARPA–E held a workshop on this topic in February 2016.
These technologies are expected to be deployed and support cultivation of macroalgal-biomass feedstocks at a scale relevant for the production of commodity fuels and chemicals. The primary challenge is to reduce capital and operating cost of macroalgae cultivation dramatically, while significantly increasing the range of deployment by expanding into more exposed, off-shore environments.
DOE to award up to $6.7M to projects to convert captured CO2 to useful products, including fuels
August 26, 2016
The US Department of Energy (DOE) will award approximately $6.7 million in federal funding for cost-shared projects that will develop technologies that utilize CO2 from coal-fired power plants to produce useful products. DOE’s Office of Fossil Energy is seeking these projects as part of the Department’s Carbon Storage program, which has the goal of developing and advancing technologies to improve the effectiveness of carbon storage, reduce the cost of implementation, and be ready for widespread commercial deployment in the 2025–2035 timeframe.
After carbon dioxide is captured from large point sources, such as coal-fired power plants, it can be injected into underground geological formations from which it cannot escape (geologic sequestration). Another option is to use the CO2 as a reagent to create useful products, such as cement, plastics, or liquid fuels. The new DOE funding opportunity announcement (DE-FOA-0001622) focuses on the second of these pathways which is focused on securing applications for projects that will develop CO2-utilization technologies that produce useful products at lower cost than currently available technologies, without generating additional greenhouse gas emissions.
DOE awarding $15M to 3 algae-based biofuel and bioproducts projects
July 14, 2016
The US Department of Energy (DOE) is awarding up to $15 million for three projects aimed at reducing the production costs of algae-based biofuels and bioproducts through improvements in algal biomass yields.
These projects will develop highly productive algal cultivation systems and couple those systems with effective, energy-efficient, and low-cost harvest and processing technologies. This funding will advance the research and development of advanced biofuel technologies to speed the commercialization of renewable, domestically produced, and affordable fossil-fuel replacements.
RIT and Synergy Biogas partner on algae for wastewater cleanup and biofuel production
June 03, 2016
Rochester Institute of Technology (RIT) and Synergy Biogas are exploring the environmental benefits of microalgae to clean agricultural wastewater and make biofuels. Jeff Lodge, associate professor in RIT’s Thomas Gosnell School of Life Sciences, is running a three-month pilot program at Synergy Biogas, a high-tech anaerobic digester located on Synergy Farms in Covington, N.Y, to grow microalgae on digested biomass. Microalgae will consume contaminants in wastewater and produce an algal biomass that Lodge will use as a feedstock for renewable energy.
Lodge will grow the microalgae in a 1,000-gallon tank at Synergy in a process that can be scaled up to treat 52,000 gallons, or 200,000 liters, of wastewater a day. The trial project will demonstrate the organisms’ ability to consume ammonia, phosphorous and nitrogen from digested biomass and reduce contaminants below state-mandated levels. Lodge’s laboratory experiments with microalgae have reduced phosphorous in wastewater by greater than 90% to levels of 0.1 parts per million, exceeding the required 1 parts per million in New York.
DOE awards up to $10M to 6 projects for non-food biomass and algal biofuels and biochemicals
May 16, 2016
The US Department of Energy is awarding up to $10 million in funding for six projects that will support the Bioenergy Technologies Office’s (BETO) work to develop renewable and cost-competitive biofuels and biochemicals from non-food biomass feedstocks by reducing the technical risk associated with potentially breakthrough approaches and technologies for investors.
The projects selected include the following:
Consortium for Algal Biofuel Commercialization releases final report on 6-year project
May 11, 2016
The Consortium for Algal Biofuel Commercialization (CAB-Comm), led by the University of California, San Diego, has released its final report, detailing the accomplishments and contributions achieved in its six years of operation.
CAB-Comm was established in 2010 through a competitive award from the Energy Department’s Bioenergy Technologies Office (BETO) to conduct research to enable commercial viability of algae-based biofuels. (Earlier post.) CAB-Comm focused on three key aspects of algal biofuels production: development of genetic tools, crop protection, and nutrient utilization and recycling.
Texas A&M-led team identifies synthetic hydrocarbon pathway in green alga B. braunii
April 07, 2016
The green microalga Botryococcus braunii is considered a promising biofuel feedstock producer due to its prodigious accumulation of hydrocarbon oils that can be converted into fuels. Now, a team led by researchers from Texas A&M AgriLife Research has identified the first committed step in the biosynthesis of hydrocarbon oil in B. braunii and has described a new enzyme which carries out this reaction.
The study, published as an open-access paper in the current issue of the journal Nature Communications, could enable scientists to use the enzyme in a plant to make large amounts of fuel-grade oil, according to Dr. Tim Devarenne, AgriLife Research biochemist in College Station and lead scientist on the team.
China team identifies new thermophilic bacterium for direct production of ethanol from brown algae
April 04, 2016
Researchers from the Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences have identified and characterized the first thermophilic bacterium capable (Defluviitalea phaphyphila) of direct conversion of brown algae to ethanol.
D. phaphyphila Alg1 can simultaneously utilize mannitol, glucose, and alginate to produce ethanol. In an open access paper on their work published in the journal Biotechnology for Biofuels, they report high ethanol yields of 0.47 g/g-mannitol, 0.44 g/g-glucose, and 0.3 g/g-alginate.
NREL process boosts production of ethanol from algae
February 10, 2016
A new biorefinery process developed by scientists at the Energy Department’s National Renewable Energy Laboratory (NREL) has proven to be significantly more effective at producing ethanol from algae than previous research.
The process, dubbed Combined Algal Processing (CAP), is detailed in an open-access paper in the journal Algal Research. The research follows work previously done at NREL and published in 2014 in The Royal Society of Chemistry’s journal Green Chemistry. In that work, scientists examined two promising algal strains, Chlorella and Scenedesmus, to determine their applicability as biofuel and bioproduct producers. They concluded Scenedesmus performed better in this process with impressive demonstrated total fuel yields of 97 gallons gasoline equivalents (GGE) per ton of biomass.
DOE to award up to $15M for Advancements In Algal Biomass Yield, Phase 2
January 16, 2016
The US Department of Energy (DOE) will award (DE-FOA-0001471) up to $15 million in funding to develop technologies that are likely to succeed in producing 3,700 gallons of algal biofuel intermediate (or equivalent dry weight basis) per acre per year (gal/acre/yr) on an annualized average basis (not peak or projected) through multiple batch campaigns or on a semi-continuous or continuous basis, in an outdoor test environment by 2020.
Under this funding opportunity for Advancements In Algal Biomass Yield, Phase 2 (ABY2), applicants must address one comprehensive topic area with three main priority areas:
Sandia, ASU collaborate on algae computational modeling, look for algae pond predators
December 18, 2015
Sandia National Laboratories and Arizona State University (ASU) have teamed up to improve computational models of algae growth in raceway ponds that can predict performance, improve pond design and operation and discover ways to improve algae yield outdoors.
In addition, Sandia and ASU will further develop spectro-radiometric techniques to monitor optically the growth and health of algae pond cultivation in real-time and to detect early warnings of predators and pathogens in outdoor algal ponds.
NREL team identifies major metabolic pathway in cyanobacteria for efficient conversion of CO2; better biofuels and bioproducts
December 12, 2015
Scientists from the National Renewable Energy Laboratory (NREL) have discovered that a metabolic pathway previously only suggested to be functional in photosynthetic organisms is actually a major pathway and can enable efficient conversion of carbon dioxide to organic compounds.
The discovery provides new insight into the complex metabolic network for carbon utilization in cyanobacteria, while opening the door to better ways of producing chemicals from carbon dioxide or plant biomass, rather than deriving them from petroleum.
euglena planning commercial production of biojet and renewable diesel from algae in Japan
December 02, 2015
Japan-based euglena Co. plans to produce and supply biojet and renewable diesel in Japan at commercial scale in the 2020s with support from the City of Yokohama, Chiyoda Corporation, Itochu Enex Co., Isuzu Motors and All Nippon Airways (ANA). The company will build Japan’s first demonstration plant for the production of biojet/biodiesel fuels in Yokohama, with operations planned to begin in 2018.
The company has been investigating the production of biojet from the microalgae Euglena since May 2010 (earlier post) and has also partnered with Isuzu in research on next-generation (i.e. drop-in hydrocarbon) renewable diesel production from Euglena since June 2014. In June 2015, the company signed a Technology License Agreement for the ISOCONVERSION process with Chevron Lummus Global and Applied Research Associates (ARA). (Earlier post.)
PNNL team presents new insight into H2 production by cyanobacterium Cyanothece
November 11, 2015
Researchers at the US Department of Energy’s (DOE’s) Pacific Northwest National Laboratory (PNNL) have presented a new and more complete view on the way a cyanobacterium—Cyanothece 51142—produces hydrogen.
Using genome-scale transcript and protein profiling, the team study presented and tested a new hypothesis on the metabolic relationship between oxygenic photosynthesis and nitrogenase-mediated H2 production in Cyanothece 51142. The results, reported in an open-access paper in Nature’s Scientific Reports, show that net-positive rates of oxygenic photosynthesis and increased expression of photosystem II reaction centers correspond and are synchronized with nitrogenase expression and H2 production.