Four direct air capture projects with ties to Houston just received federal funding. Photo via Getty Images

Four carbon capture projects with ties to the Houston area have collectively received more than $10 million in funding from the U.S. Department of Energy.

What follows is a funding rundown for the four direct air capture (DAC) projects. DAC pulls carbon dioxide emissions from the atmosphere at any location, while carbon capture generally is done where the emissions happen.

This funding announcement comes on the heels of a subsidiary of Houston-based Occidental receiving about $600 million from the Department of Energy (DOE) for establishment of a DAC hub in South Texas.

Western Regional Direct Air Hub

Houston-based Chevron New Energies, the low-carbon subsidiary of energy giant Chevron USA, is collecting nearly $5 million in funding — $3 million of it from the DOE — for a potential DAC hub in the Bakersfield, California, area.

Chevron says it plans to install equipment at its cogeneration plant in Central California’s San Joaquin Valley so it can inject and permanently store carbon dioxide emissions underground. This is Chevron’s first carbon capture and storage project.

A cogeneration plant produces several forms of energy from a single fuel source.

Last year, Chevron was the lead investor in a $381 million series E funding round for Svante, a Canada-based producer of carbon capture technology.

“Several carbon capture technologies exist today, and they all have important roles to play in addressing the diverse requirements of hard-to-avoid emissions,” Claude Letourneau, president and CEO of Svante, said in a June 2023 announcement about the Central California DAC hub.

Pelican-Gulf Coast Carbon Removal project

Louisiana State University in Baton Rouge has attracted nearly $4.9 million in funding — including nearly $3 million from the DOE — for the proposed Pelican-Gulf Coast Carbon Removal project in the Pelican State. Partners in the Pelican project include the University of Houston and Shell, whose U.S. headquarters is in Houston.

The DAC project would remove CO2 in the atmosphere and permanently store it underground.

Red Rocks DAC Hub

Houston-based Fervo Energy is earmarking earmark its nearly $3.6 million in funding — including almost $2.9 million from the DOE — for development of the Red Rocks DAC Hub in southwest Utah.

Fervo believes more than 10 gigawatts of geothermal resources are available in southwest Utah that would translate into the potential storage of up to 100 million tons of CO2 each year.

“Scaling DAC technology will require abundant clean, firm power and heat to build truly carbon-negative projects,” Fervo says in a LinkedIn post. “As the leader in next-generation geothermal, Fervo is well positioned to support and accelerate the commercial deployment of DAC, while placing Utah at the heart of the energy transition.”

Houston Area DAC Hub

GE Research, the Niskayuna, New York-based R&D arm of General Electric, has scooped up more than $3.3 million in funding — including over $2.5 million from the DOE — to explore creating a DAC hub in the Houston area that would involve clean energy, such as renewable or nuclear power.

The project, being developed in conjunction with Omaha, Nebraska-based energy company Tenaska, would be designed to remove 1 million metric tons of CO2 from the air and permanently store it or use it in a value-add project (or both). Tenaska opened an office in Houston in 2019.

“We know that to truly bring an economical, commercial-scale solution in DAC to the market, it will require a collaborative effort with government, industry, and academic partners,” David Moore, leader of GE’s carbon capture team, said in March 2023. “If we do this right, we could have a commercially deployable DAC solution around the end of this decade.”

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Rice University spinout lands $500K NSF grant to boost chip sustainability

cooler computing

HEXAspec, a spinout from Rice University's Liu Idea Lab for Innovation and Entrepreneurship, was recently awarded a $500,000 National Science Foundation Partnership for Innovation grant.

The team says it will use the funding to continue enhancing semiconductor chips’ thermal conductivity to boost computing power. According to a release from Rice, HEXAspec has developed breakthrough inorganic fillers that allow graphic processing units (GPUs) to use less water and electricity and generate less heat.

The technology has major implications for the future of computing with AI sustainably.

“With the huge scale of investment in new computing infrastructure, the problem of managing the heat produced by these GPUs and semiconductors has grown exponentially. We’re excited to use this award to further our material to meet the needs of existing and emerging industry partners and unlock a new era of computing,” HEXAspec co-founder Tianshu Zhai said in the release.

HEXAspec was founded by Zhai and Chen-Yang Lin, who both participated in the Rice Innovation Fellows program. A third co-founder, Jing Zhang, also worked as a postdoctoral researcher and a research scientist at Rice, according to HEXAspec's website.

The HEXASpec team won the Liu Idea Lab for Innovation and Entrepreneurship's H. Albert Napier Rice Launch Challenge in 2024. More recently, it also won this year's Energy Venture Day and Pitch Competition during CERAWeek in the TEX-E student track, taking home $25,000.

"The grant from the NSF is a game-changer, accelerating the path to market for this transformative technology," Kyle Judah, executive director of Lilie, added in the release.

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This article originally ran on InnovationMap.

Rice research team's study keeps CO2-to-fuel devices running 50 times longer

new findings

In a new study published in the journal Science, a team of Rice University researchers shared findings on how acid bubbles can improve the stability of electrochemical devices that convert carbon dioxide into useful fuels and chemicals.

The team led by Rice associate professor Hoatian Wang addressed an issue in the performance and stability of CO2 reduction systems. The gas flow channels in the systems often clog due to salt buildup, reducing efficiency and causing the devices to fail prematurely after about 80 hours of operation.

“Salt precipitation blocks CO2 transport and floods the gas diffusion electrode, which leads to performance failure,” Wang said in a news release. “This typically happens within a few hundred hours, which is far from commercial viability.”

By using an acid-humidified CO2 technique, the team was able to extend the operational life of a CO2 reduction system more than 50-fold, demonstrating more than 4,500 hours of stable operation in a scaled-up reactor.

The Rice team made a simple swap with a significant impact. Instead of using water to humidify the CO2 gas input into the reactor, the team bubbled the gas through an acid solution such as hydrochloric, formic or acetic acid. This process made more soluble salt formations that did not crystallize or block the channels.

The process has major implications for an emerging green technology known as electrochemical CO2 reduction, or CO2RR, that transforms climate-warming CO2 into products like carbon monoxide, ethylene, or alcohols. The products can be further refined into fuels or feedstocks.

“Using the traditional method of water-humidified CO2 could lead to salt formation in the cathode gas flow channels,” Shaoyun Hao, postdoctoral research associate in chemical and biomolecular engineering at Rice and co-first author, explained in the news release. “We hypothesized — and confirmed — that acid vapor could dissolve the salt and convert the low solubility KHCO3 into salt with higher solubility, thus shifting the solubility balance just enough to avoid clogging without affecting catalyst performance.”

The Rice team believes the work can lead to more scalable CO2 electrolyzers, which is vital if the technology is to be deployed at industrial scales as part of carbon capture and utilization strategies. Since the approach itself is relatively simple, it could lead to a more cost-effective and efficient solution. It also worked well with multiple catalyst types, including zinc oxide, copper oxide and bismuth oxide, which are allo used to target different CO2RR products.

“Our method addresses a long-standing obstacle with a low-cost, easily implementable solution,” Ahmad Elgazzar, co-first author and graduate student in chemical and biomolecular engineering at Rice, added in the release. “It’s a step toward making carbon utilization technologies more commercially viable and more sustainable.”

A team led by Wang and in collaboration with researchers from the University of Houston also shared findings on salt precipitation buildup and CO2RR in a recent edition of the journal Nature Energy. Read more here.