U.S. Department of Energy Invests $35 Million to Dramatically Reduce Carbon Footprint of Biofuel Production

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May 17, 2021

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(U.S. Department of Energy) The U.S. Department of Energy (DOE) today (May 14, 2021) announced $35 million in funding that will help slash carbon emissions and scale up the volume and efficiency of renewable biofuel. The 15 awarded research projects are housed at colleges, universities, and labs across nine states and will advance new technologies to decarbonize biorefining processes used across the energy, transportation, and agriculture sectors. The funding awards are supported by DOE’s Advanced Research Projects Agency-Energy (ARPA-E). These investments in advancements in clean energy technology, will help America achieve the Biden-Harris administration’s goal of 100% clean energy economy and net-zero emissions by 2050.

“Biofuel is a powerful tool in the clean energy toolkit that has immense potential to power our ships and airlines with zero carbon emissions,” said Secretary of Energy Jennifer M. Granholm. “DOE is investing in research to reduce emissions and maximize the availability of efficient biofuel as we strive to reach President Biden’s net-zero carbon goals.”

Biofuel, including ethanol, biodiesel and other products derived from organic material (biomass), is almost exclusively produced via a conversion process called fermentation. These fermentation processes create carbon as a byproduct, with some processes wasting more than 1/3 of this carbon as CO2 emissions. As a result, there is a critical need to create new pathways for biofuel conversion that reduces carbon waste, prevents the loss of CO2 emissions, and in turn, maximizes the amount of renewable fuel a conversion process yields.

The 15 teams receiving awards through ARPA-E’s “Energy and Carbon Optimized Synthesis for the Bioeconomy” (ECOSynBio) program will work on the following methods to optimize biofuel manufacturing:

Carbon-optimized fermentation strains that avoid CO2 waste;
Engineered organisms that can use a mix of different sources of energy and carbon, and avoid evolving CO2;
Biomass-derived sugar or carbon oxide gas fermentation with internal CO2 recycling;
Cell-free carbon-optimized biocatalytic biomass conversion and/or CO2 use; and
Cross-cutting carbon-optimized bioconversion methods that have the potential for high-impact emissions reductions.

“California is home to many of the world’s leading research institutions, and their innovations will be critical to building a clean energy economy,” said U.S. Senator Alex Padilla. “As we work to mitigate the impacts of climate change, we need to keep investing in the next generation of clean fuel technology. I’m proud to see California’s continued leadership in the development of these clean energy technologies and applaud the Biden administration for their ongoing commitment to combat climate change.”

“Like the Biden Administration, I am committed to investing in the technologies of tomorrow to drive us toward a more eco-friendly and sustainable future. Today’s announcement that The Ohio State University will receive over $1.6 million from the Department of Energy’s cutting-edge ARPA-E program is further proof that President Biden and Vice President Harris are determined to make this dream a reality," said U.S. Representative Joyce Beatty. “As Representative of Ohio’s Third Congressional District, I will continue to work with the White House to address the impact of climate change—and I am confident that the groundbreaking research being done by Central Ohio scientists will go a long way in pushing that important work forward.”

“The University of Washington is building on its distinguished record of being a local, national, and global leader on developing the scientific innovations necessary to aggressively take on climate change,” said U.S. Representative Pramila Jayapal. “I am grateful that the Biden-Harris Administration is prioritizing bold climate action while immediately centering environmental justice and investing in our institutions of higher education so they can lead the way in protecting our planet for generations to come. I look forward to continuing to work with the new Administration to create green jobs, achieve a renewable energy future, and guarantee clean air, safe drinking water, and public lands for all.”

“I am proud of today’s announcement to support the National Renewable Energy Lab’s continued work to improve efficiency in the development of alternative fuels," said U.S. Representative Ed Perlmutter. “NREL is the world’s premier lab for developing clean and renewable energy technologies and their work is helping mitigate the causes of climate change and move toward a net-zero emissions future.”

“I want to congratulate a company in my district, LanzaTech, who has been awarded funding by the Department of Energy’s Advanced Research Projects Agency-Energy. The award will help this woman-led small business advance their development of innovative technologies to fight climate change. Through a competitive selection process, this project was chosen for its potential to transform the way energy is used through technology that can be meaningfully advanced with a small amount of funding over a defined period of time,” said U.S. Representative Jan Schakowsky. “Specifically, LanzaTech will create technology to enable direct conversion of carbon dioxide (CO2) to ethanol, a building block for low carbon intensity fuels and chemicals, at 100% carbon conversion efficiency to products. Our nation’s history is defined by discovery, ingenuity, and innovation, which leads to job growth, economic development, and technology that has the potential to improve the world. Supporting small businesses like LanzaTech and other innovators in my district and around the Chicagoland area will always be a top priority for me.”

The awardees are:

INvizyne Technologies, Inc. (Monrovia, CA)
LanzaTech, Inc. (Skokie, IL)
Massachusetts Institute of Technology (Cambridge, MA)
National Renewable Energy Laboratory (Golden, CO)
Ohio State University (Columbus, OH)
Stanford University (Stanford, CA)
The Wyss Institute at Harvard University (Boston, MA)
University of Wisconsin-Madison (Madison, WI)
University of Delaware (Newark, DE)
University of California, Davis (Davis, CA)
University of California, Irvine (Irvine, CA)
University of Minnesota (Minneapolis, MN)
University of Washington (Seattle, WA)
ZymoChem, Inc. (San Francisco, CA)* Two awards

Read more about the winning projects HERE.

Find more information on the ECOSynBio funding opportunity HERE. Details on how to apply for funding through ARPA-E programs can be found on ARPA-E eXCHANGE. READ MORE

ARPA-E invests $35M to slash biofuels carbon intensity as the Drive to Zero continues (Biofuels Digest)

LanzaTech Gets $4.1M in DOE Funding for Carbon Conversion (Natural Gas Intelligence)

LanzaTech awarded $4.1 million from ARPA-E (Ethanol Producer Magazine)

Excerpt from Biofuels Digest: The Projects and Awards

LanzaTech: Carbon-Negative Chemical Production Platform – $4,160,262.57

LanzaTech, Inc., will create transformative technology to enable direct conversion of carbon dioxide (CO2) to ethanol, a building block for low carbon intensity fuels and chemicals, at 100% carbon conversion efficiency to products. The LT team will develop a gas fermentation process that leverages affordable, renewable hydrogen (H2) to capture and fix CO2 directly into valuable fuels and chemicals. At commercial scale, the inputs to the proposed “carbon refinery” process are carbon-free renewable energy, water, and CO2. The carbon- optimized conversion technology developed under this project can be integrated with multiple CO2 sources, such as corn grain ethanol refining (near-term) and direct air capture (mid-long term).

National Renewable Energy Laboratory– Formate as an Energy Source to allow Sugar Fermentation with no net CO2 Generation: Integration of Electrochemistry with Fermentation – $2,838,575.64

The National Renewable Energy Laboratory (NREL) working with industrial partners (Genomatica and DeNora) will develop a biorefining concept that uses electrochemically generated formate as a universal energy carrier to facilitate a carbon optimized sugar assimilation fermentation to synthesize fatty acid methyl esters (FAME) without release of CO2. This process allows all the carbon within the sugar to be converted to FAME, which will allow these lipids—used to produce sustainable aviation jet fuel (SAF)—to be generated at lower cost and with fewer feedstock, resource, and land requirements.

University of Wisconsin-Madison – Acetate as a Platform for Carbon-Negative Production of Renewable Fuels and Chemicals- $3,421,197

The University of Wisconsin-Madison aims to eliminate CO2 release in the production of chemicals by integrating the unique and efficient capabilities of two microorganisms. The first produces acetate from CO2 and H2 while the second upgrades acetate to higher-value chemical products. The CO2 released in the upgrading process is recycled internally to produce more acetate. Thus, this carbon utilization process is designed to operate with zero carbon dioxide release. The process avoids photosynthesis and bypasses the barriers created by using biomass as primary chemical feedstock. Further, this platform can be scaled to match existing sources of CO2 emissions and can be located anywhere renewable H2 can be provided.

Stanford University. Disruptive Technology for Carbon Negative Commodity Biochemicals– $2,582,672.23

Stanford University seeks to replace carbon- and energy-inefficient fermentation unit operations for commodity chemical production with innovative cell-free processes. Instead of releasing CO2 into the

atmosphere, this new approach will enable utilization of atmospheric CO2 as well as glucose obtained from cornstarch to produce renewable fuels and chemicals. Succinic acid will be the first product, but the technology can easily be adapted to produce a broad range of other biochemical products. The new cell-free technology introduces a biosynthesis platform that increases process yield, conversion rate, and energy efficiency to encourage investment in distributed production facilities located in rural communities.

University of Delaware. Bioenergy production based on an engineered mixotrophic consortium for enhanced CO2 fixation –$2,752,577.08

The University of Delaware aims to develop a platform technology based on synthetic syntrophic consortia of Clostridium microbes to enable fast and efficient use of renewable carbohydrates to produce targeted metabolites as biofuels or chemicals. In this syntrophic microbial consortium, two or more microbes are co- cultured, allowing the different species to divide individual bioconversion steps and reduce their individual metabolic burden. The goal is to achieve complete utilization of glucose substrate carbon and electrons, while also using additional CO2 and electrons from H2 to generate improved yields of products such as isopropanol.

University of California, Davis. A Microbial Consortium Enables Complete Feedstock Conversion – $1,574,966.00

The aviation industry requires energy-dense, carbon-based fuels, which are difficult to achieve biologically because of poor carbon conversion efficiency and low yields. To reach near 100% carbon conversion efficiency, the University of California, Davis, will engineer a novel microbial consortium approach. Single organism can be limited by CO2 loss from core metabolic reactions; thus, coupling a heterotroph with an autotroph will enable CO2 recycling and complete feedstock conversion. The proposed systems will use a heterotrophic production strain to convert sugar substrates into biofuels via a carbon conserving synthetic metabolism and will be co-cultured with a phototrophic strain engineered to be chemotrophic to enable CO2 utilization and recycle CO2 released during the sugar fermentation.

INvizyne Technologies, Inc. Carbon Negative Chemicals with Synthetic Biochemistry- $1,657,763.25

Existing technologies can efficiently capture CO2 by converting it into simple chemicals such as formate (via electroreduction) and ethanol (via fermentation)—molecules that could become carbon-neutral feedstocks to replace petroleum-derived fuels and chemicals. To realize the potential of CO2 capture and conversion, INvizyne Technologies, Inc., will demonstrate the usefulness of a cell-free biocatalytic platform for carbon- neutral production of several platform compounds that could be cost-competitive with petrochemicals. In the short term, INvizyne’s approach can diversify existing bio-ethanol markets while the carbon-neutral CO2 utilization technologies ramp up. If successful, this project will provide a springboard for additional cell-free developments, creating a robust carbon-neutral utilization capacity for the chemical industry.

University of California, Irvine. Carbon-Efficient Conversion of Carboxylic Acids to Fuels and Chemicals- $1,841,394.00

Compared with grain-derived sugars, carboxylic acids could be produced in large quantities from food and industrial wastes, serving as a more scalable and economical feedstock for biofuel and biochemical production. But natural biological pathways for carboxylic acid conversion suffer from a low carbon yield. The University of California, Irvine, proposes a cell-free enzymatic process to address this challenge. The system uses a unique, stronger-than-nature reducing equivalent carrier to overcome a thermodynamic hurdle in carboxylic acid utilization and product upgrading using a novel C1 elongation pathway. If successful, it will be

the first biological platform to convert carboxylic acids into a broad range of fuels and commodities with greater than 100% carbon efficiency.

The Wyss Institute at Harvard University. CIRCE: Circularizing Industries by Raising Carbon Efficiency – $2,985,025.23

Some of the most economical and sustainable feedstocks for commodities such as fuels are gases (H2, O2, CO, CO2). Gaseous feedstocks are far less land-intensive and could potentially be more cost effective for biorefining than traditional biomass feedstocks. Further, gaseous feedstocks have fewer restrictions to delivery in large volumes and overall can have much smaller carbon footprints. Harvard University seeks to produce carbon-neutral fuels and related chemicals by integrating externally derived reducing power with precision fermentation. Harvard’s technical approach will enhance, direct, and modify the capabilities of its microbial chassis with sophisticated genetic engineering and adapted fermentation technology. The goal is to shift the bioproduction paradigm and generate highly reduced carbon compounds from simple, inexpensive feedstocks.

University of Minnesota. Cell-free bioelectrocatalytic platform for carbon dioxide reduction – $1,110,526.00

Renewable electricity is now competitive with and in many instances less expensive than fossil fuel-derived electricity, but its storage remains challenging. Energy storage in chemical bonds through electricity-driven carbon reduction offers higher energy densities and greater safety and transportability than batteries. But the efficient use of electricity to reduce kinetically and thermodynamically stable CO2 into a range of chemicals requires significant innovation. The University of Minnesota will design a cell-free biocatalytic system that will reduce CO2 efficiently into formate, a C1 feedstock, with energy supplied from electricity. This project aims to develop a robust bioelectrocatalytic technology platform that will deliver a portable CO2 capture technology and formate as a stand-alone chemical or for integration into longer chain chemical products.

Massachusetts Institute of Technology. Zero-Carbon Biofuels: An Optimized Two-Stage System for High Productivity Conversion of CO2 to Liquid Fuels – $2,108,532.00

The Massachusetts Institute of Technology (MIT) has engineered the oleaginous yeast Yarrowia lipolytica to produce biodiesel-like lipids and alkanes. MIT proposes to reduce or eliminate CO2 generation during lipid production by (1) engineering Y. lipolytica with the enzymes necessary to generate reducing equivalents from hydrogen, formic acid, or methanol, and (2) installing a carbon conserving equivalent to glycolysis, called non- oxidative glycolysis. When combined, these modifications will enable almost stoichiometric conversion of glucose and acetate to lipids and alkanes. The system’s commercial competitiveness is currently limited by the rate of CO2 fixation in the first stage. MIT recently showed that synergistic substrate co-feeding drastically enhances CO2 fixation rates and will explore additional co-substrate pairs.

Ohio State University – Columbus, OH

A Novel Integrated Fermentation Process with Engineered Microbial Consortia for Butanol Production from

Lignocellulose Sugars without CO2 Emission – $1,611,940.63

Ohio State University is designing, modeling, and constructing synthetic microbial consortia consisting of three bacterial species to maximize carbon conversion and butanol production with a 100% theoretical product yield from glucose and zero or negative CO2 emissions, aided by the addition of electrochemically reduced formate. With a 50% higher product yield from glucose compared with current acetone-butanol-ethanol (ABE) fermentation with corn, biobutanol can be produced at prices that compete with gasoline, bioethanol, and the existing ABE fermentation technologies, but by a more carbon-efficient method.

ZymoChem. Development of a Bio-electrochemical Hybrid Fermentation Technology for the Carbon Conserving Production of Industrial Chemicals – $1,053,000.00

Many consumer goods and high-performance materials are manufactured with polymers made from precursors that derive from petroleum. ZymoChem, Inc., has created fermentation processes that convert sugars into polymer precursors using microorganisms with novel enzyme-based pathways that avoid the loss of the sugar’s carbon as CO2. During this project, ZymoChem aims to develop next-generation bioprocesses that combine (1) inexpensive metal catalysts for converting electricity and CO2 into formate, and (2) electricity- compatible fermentation systems that enable microbes to co-utilize formate and sugars for the production of valuable chemicals.

ZymoChem. Development of Carbon-Conserving Biosynthetic Systems Co-Utilizing C1 and Biomass Derived Feedstocks- $3,177,642

ZymoChem, Inc., aims to develop carbon- and energy-efficient biocatalysts capable of co-conversion of C1- and biomass-derived substrates to a high-volume platform fuel and chemical intermediate. The team will demonstrate a carbon-conserving process decoupling growth and production. The process will enable improved carbon efficiency during the growth phase and 100% carbon-efficient production of bioproducts during the production phase, using biomass-derived sugars and methanol as a reducing equivalent carrier. If successful, this project will demonstrate the improvement of carbon efficiencies beyond current theoretical maximums during the growth and production phases of a bioprocess.

University of Washington. Self-Assembling Cell-Free Systems for Scalable Bioconversion – $1,664,297.00

The University of Washington aims to develop cell-free platforms that produce functional multi-enzyme systems that will enable the cost-effective bioconversion of CO2 into industrial chemicals. Rather than incurring the high costs and process inefficiencies associated with producing and purifying multiple enzymes in separate steps, the team will engineer technologies to de-risk approaches for producing complex, multi- enzyme systems in situ with stoichiometries optimized for CO2 bioconversion. The team will create a self- assembling system that electrochemically regenerates formate-reducing equivalents in real time and assimilates formate into malate, an industrially-relevant di-acid, without carbon loss. The proposed system will capture CO2 in the process of making malate at a cost competitive with more carbon-intensive microbial bioproduction.

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U.S. Department of Energy Invests $35 Million to Dramatically Reduce Carbon Footprint of Biofuel Production

LanzaTech: Carbon-Negative Chemical Production Platform – $4,160,262.57

National Renewable Energy Laboratory– Formate as an Energy Source to allow Sugar Fermentation with no net CO2 Generation: Integration of Electrochemistry with Fermentation – $2,838,575.64

University of Wisconsin-Madison – Acetate as a Platform for Carbon-Negative Production of Renewable Fuels and Chemicals- $3,421,197

Stanford University. Disruptive Technology for Carbon Negative Commodity Biochemicals– $2,582,672.23

University of Delaware. Bioenergy production based on an engineered mixotrophic consortium for enhanced CO2 fixation –$2,752,577.08

University of California, Davis. A Microbial Consortium Enables Complete Feedstock Conversion – $1,574,966.00

INvizyne Technologies, Inc. Carbon Negative Chemicals with Synthetic Biochemistry- $1,657,763.25

University of California, Irvine. Carbon-Efficient Conversion of Carboxylic Acids to Fuels and Chemicals- $1,841,394.00

The Wyss Institute at Harvard University. CIRCE: Circularizing Industries by Raising Carbon Efficiency – $2,985,025.23

University of Minnesota. Cell-free bioelectrocatalytic platform for carbon dioxide reduction – $1,110,526.00

Massachusetts Institute of Technology. Zero-Carbon Biofuels: An Optimized Two-Stage System for High Productivity Conversion of CO2 to Liquid Fuels – $2,108,532.00

ZymoChem. Development of a Bio-electrochemical Hybrid Fermentation Technology for the Carbon Conserving Production of Industrial Chemicals – $1,053,000.00

ZymoChem. Development of Carbon-Conserving Biosynthetic Systems Co-Utilizing C1 and Biomass Derived Feedstocks- $3,177,642

University of Washington. Self-Assembling Cell-Free Systems for Scalable Bioconversion – $1,664,297.00

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