Houston-Dallas high-speed train still not official but now it has a builder

all aboard

The train isn't official yet but now there's a builder in place. Photo courtesy of JR Central

The high-speed train between Houston and Dallas still needs an official sign-off before it happens, but a builder has been hired for when that day comes.

Texas Central, the developers of the train, have signed a $16 billion contract with Webuild, an engineering contractor company based in Milan.

Previously known as Salini Impregilo, Webuild is one of the largest civil engineering contractors in the world. They'll be working with The Lane Construction Corporation, a global leader in engineering and construction, to lead the civil construction team that will build the Texas rail line.

According to a release, Webuild is active in more than 50 countries on five continents, including Australia, Europe, Asia, and the Americas.

The company has built high-speed train projects in Europe, along with more complex transportation projects such as the expansion of the Panama Canal, the Grand Paris Express, and the Anacostia River and Northeast Boundary tunnels in Washington, DC.

They've worked in the U.S. since the 1980s but were able to expand their presence in 2016 by merging with The Lane Construction Corporation, based in Cheshire, Connecticut.

Webuild Group CEO Pietro Salini calls the commission an honor.

"Being part of such a challenging project as leader of the design and construction of the railway is a unique experience that we are extremely proud of," Salini says. "This is a wonderful opportunity to further focus our presence in the U.S., our biggest single market, together with Lane, the company building first class transport infrastructure for the country for the past 130 years."

According to the contract, Webuild will execute all the heavy construction for the project, designing and building 236 miles of the alignment, nearly half of it on viaduct and much of it elevated to reduce impact on neighbors and landowners.

Webuild will also build all maintenance and industrial buildings, train depots, and facilities.

The system Texas Central Railroad has proposed will replicate the Japanese Tokaido Shinkansen high-speed rail system, operated by the Central Japan Railway Company (JRC) which, in its 55+-year history has transported more than 10 billion passengers with zero operational passenger fatalities or accidents.

The 200-mph train will be a 90-minute ride between Houston and Dallas, with a midway stop in the Brazos Valley.

In May, Texas Central signed a $1.6 billion contract with Kiewit Infrastructure South Co. and affiliate Mass. Electric Construction Co. to install the train's core electrical systems.

The project has had pushback from some Texas politicians and landowners along the route, but the Biden administration is very pro rail, with a $2 trillion infrastructure package that includes modernizing public transit (commuter rail, buses, stations) and improving and expand the nation's passenger and freight rail network. He recently restored funding to a project that would connect San Francisco and Los Angeles.

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This article orignally ran on CultureMap.

The high-speed train now has a new builder onboarded for the project. Photo of the N700 courtesy of © JR Central

The high-speed train planning a Houston-Dallas route now has a builder on board the project

Right on track

The Texas high-speed train that plans to zip between Houston and Dallas still has some obstacles to plow through, but the project now has a builder at least.

Texas Central, the developer of the Texas Bullet Train, has signed a contract with Salini Impregilo, an Italian construction company and one of the largest civil engineering contractors in the world, and its American subsidiary, Lane Construction.

"This agreement brings us one step closer to beginning construction of the civil infrastructure segments of the project," said Texas Central CEO Carlos F. Aguilar, in a release.

The train still can't move forward because it doesn't own all of the land necessary for the route.

But if/when it does get the land, Salini Impregilo will do the following:

  • supply the civil and infrastructure scope, including the design and construction of the viaduct and embankment sections along the entire route
  • install the track system
  • oversee alignment and construction of all buildings and services that will house maintenance and other rail system equipment

Salini-Lane had previously provided front-end engineering and design for the train's civil infrastructure, as well as an analysis of construction costs and schedule estimates.

"Salini-Lane's unmatched track record with rail infrastructure and, very specifically, its world-class high-speed rail expertise across the globe will be central to the completion of America's first end-to-end high-speed rail system," Aguilar says.

Salini's CEO Pietro Salini says in a statement that the company is both thrilled and honored to bring its large-scale railway expertise to the project.

Salini Impregilo is active in more than 50 countries on five continents, with experience building more than 4,000 miles of railway infrastructure around the world. It has built high-speed train projects in Europe and some iconic projects in the world, including the expansion of the Panama Canal.

Although the company has worked in the U.S. since the 1980s, it expanded its presence in 2016 when it merged with The Lane Construction Corporation, a U.S.-based company with almost 130 years of experience in infrastructure work.

The Texas train will be based on Central Japan Railway's Tokaido Shinkansen train system, which is considered the safest mass transportation system in the world.

The system has transported more than 10 billion passengers in 54-plus years, with no fatalities or injuries from operations, and has an impeccable on-time performance record.

It will debut a new train, the Shinkansen N700S, the sixth generation of this train, before the 2020 Olympics.

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This article originally ran on CultureMap.

This Texas train system is on track to keep operations green, thanks to a Houston-based company. Rendering courtesy of Texas Central

High-speed train hires Houston-based eco company to keep route green

Onboarding

Texas Central, developers of the high-speed train proposed to run between Houston and Dallas, has selected a Houston-based company to oversee the environmental side of the project: Resource Environmental Solutions will help protect and enhance natural ecosystems and the environment throughout construction and operations.

RES will oversee plans to comply with US Army Corps of Engineers' requirements that the project restore, enhance, and preserve wetlands, streams, and environmentally sensitive habitats along the train's route between Houston and North Texas.

According to a release, RES is the largest ecosystem restoration provider in the United States. In the past decade, it has restored more than 58,000 acres of wetlands, enhanced more than 290 miles of streams, and planted more than 14 million restorative trees.

Recent projects include Maurepas Swamp in Louisiana, the Brooks Creek Wetland Mitigation Bank in Bowie County, and the Robinson Fork Stream Mitigation Bank, the largest floodplain restoration project in the northeastern United States.

RES is also working on the Bois d'Arc Lake Mitigation Area, a 16,600-acre reservoir being built in Fannin County to provide water services to 80 communities in North Texas that's the largest permittee-responsible mitigation project in U.S. history. The restoration area encompasses more than 8,500 acres of wetlands, 70 miles of streams, 3,200 acres of native grasslands, and 2,600 acres of non-wetland forests.

RES will help Texas Central meet regulatory requirements for environmental mitigation, collaborating with community leaders to identify local and regional conservation opportunities. The plan includes rebuilding and restoring wetlands and streams in the impacted watersheds, enhancing the viability of sub-watersheds that are close to the route.

Brian Trusty, VP of the Audubon Society, gives a thumbs up, stating that "Audubon believes the project is a win-win opportunity for both Texans and the wildlife in our state."

"Providing large-scale transportation opportunities that work to reduce carbon emissions, while supporting further economic prosperity and connectivity between the Dallas and Houston metro areas, is progressive and forward-looking," Trusty says. "Partnering with RES ensures the project will be done right, and we are thankful to see Texas Central take this step."

The project's scale will allow RES to identify not only isolated pockets along the route that require restoration, but also entire complexes of streams and wetlands suitable for improvement and conservation.

RES will select mitigation sites and designs that collectively improve the ecological functions of broad areas, including some near the Trinity River, Navasota River, Spring Creek, and Cypress Creek.

This environmental work, combined with innovations of an all-electric high-speed train system, will provide the most environmentally friendly travel choice between Houston and North Texas. The train is estimated to remove more than 14,630 cars per day from I-45.

Other ecological benefits:

  • As compared to highway development, for every one mile of high-speed railroad tracks, about 450 acres of farmland will be preserved.
  • The all-electric system will utilize the latest in green technologies, such as regenerative braking systems.
  • Texas will use the newest generation of Shinkansen trains, the N700 Supreme, which consumes seven percent less energy and weighs seven tons less than the previous model. Lighter trains result in less noise, vibration, and impacts on materials and land.
  • The route largely follows existing rights-of-way corridors, resulting in the fewest possible impacts to socioeconomic, natural, physical and cultural environments.

Consistent with Texas Central's commitment to create opportunities for small, minority, women, rural, and veteran-owned businesses, RES has engaged several small businesses to support its work for the project.

RES CEO Elliott Bouillion says in a release that it's possible to achieve both "environmental sustainability and advanced infrastructure."

"Texas high-speed train is an excellent example of how a modern, green infrastructure approach can be harnessed for both ecological and economic benefits," he says.

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This story originally ran on CultureMap.

The high-speed train is chugging along. Rendering courtesy of Texas Central

Houston-to-Dallas high-speed train hires major international operator

All aboard

The high-speed railroad from Houston to Dallas has acquired a key new player that will run day-to-day operations.

Renfe, an international railway company based in Spain, has been hired by Texas Central, the project developers, as the train's operating partner. The selection of Renfe as an operating partner marks another major step forward for the Houston-to-North Texas high-speed railroad.

Texas Central CEO Carlos Aguilar says in a statement that Renfe was chosen after a review of the best railroad operators in the world.

"Renfe has established a reputation for excellence in railroad operation in Spain and across the world, and we welcome them aboard," Aguilar says. "With their decades of expertise, they were a natural fit to join our other partners. Having the operator, the design build, and technology teams all on board and able to collaborate will ensure all aspects of the railroad are integrated and efficient."

A release calls Renfe "one of the world's most significant railways operators," running 5,000 trains daily on 7,500 miles of track. The company is integral to the transport system in its home base of Spain, handling more than 487 million passengers and 19.6 million tons of freight moved in 2017.

Renfe, in partnership with Adif, which manages Spanish railway infrastructure, will be responsible for running the trains; maintaining system components, such as engines, signals, and other equipment; and overseeing ticketing, passenger loyalty programs, and other services.

It will also provide technical advice on the design and construction of the Texas train and assist in the further development of Texas Central's operation and maintenance plans, preparing the railroad for passenger service.

Renfe is one of the biggest companies in Spain, employing nearly 14,000 people and recording revenues of 3.6 billion euros in 2017. Its high-speed systems were used by more than 36 million passengers in 2017. In March, Renfe announced that it had posted a net profit of 70 million euros in 2017, thanks in part to a jump in the number of its high-speed passengers, chalking up five consecutive years of growth.

Renfe president Isaías Táboas says the deal is a boon for Texas and for the Spanish railway industry.

"Texas Central represents a large high-speed train project in a country with high-growth potential, for which the Spanish experience will be of great help," he says. "Both Renfe Operadora and Adif have accumulated years and miles of high-speed railway development with professional teams, extensive experience, and specialized knowledge. We are committed to the success of Texas Central in improving the mobility of Texans and others in the U.S."

The agreement comes about a week after Texas Central engaged multinational firm Salini Impregilo ­– operating in the U.S. market with The Lane Construction Corporation – to lead the civil construction consortium that will build the passenger line, including viaducts, embankments, and drainage.

Spain's first high-speed line between Madrid and Seville was dedicated in 1986 and Renfe's first high-speed service connected the cities in 1992.

Its second high-speed line, from Madrid to Barcelona, was completed in 2007. Renfe also operates high-speed service from Barcelona to Paris, Lyon, and Toulouse in France. Among other major international projects, Renfe operates the recently opened high-speed train between Mecca and Medina, in Saudi Arabia.

The 200-mph train will link Houston and Dallas in 90 minutes, with a midway stop in the Brazos Valley.

The Texas train will be based on the latest generation of Central Japan Railway's Tokaido Shinkansen train system, the world's safest mass transportation system. It has operated for more than 54 years with a perfect record of zero passenger fatalities or injuries from operations, and an impeccable on-time performance record.

Texas Central and its partners are refining and updating construction planning and sequencing, guided by the Federal Railroad Administration's recently released draft environmental impact statement. The FRA now is working on a final environmental review that will help determine the project's timeline and final route.

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This story originally appeared on CultureMap.

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Rice team keeps CO2-to-fuel devices running 50 times longer in new study

Bubbling Up

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 recently shared findings on salt precipitation buildup and CO2RR in a recent edition of the journal Nature Energy.

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This article originally appeared on our sister site, EnergyCapitalHTX.com.

Houston foundation grants $27M to support Texas chemistry research

fresh funding

Houston-based The Welch Foundation has doled out $27 million in its latest round of grants for chemical research, equipment and postdoctoral fellowships.

According to a June announcement, $25.5 million was allocated for the foundation's longstanding research grants, which provide $100,000 per year in funding for three years to full-time, regular tenure or tenure-track faculty members in Texas. The foundation made 85 grants to faculty at 16 Texas institutions for 2025, including:

  • Michael I. Jacobs, assistant professor in the chemistry and biochemistry department at Texas State University, who is investigating the structure and thermodynamics of intrinsically disordered proteins, which could "reveal clues about how life began," according to the foundation.
  • Kendra K. Frederick, assistant professor in the biophysics department at The University of Texas Southwestern Medical Center, who is studying a protein linked to Parkinson’s disease.
  • Jennifer S. Brodbelt, professor in chemistry at The University of Texas at Austin, who is testing a theory called full replica symmetry breaking (fullRSB) on glass-like materials, which has implications for complex systems in physics, chemistry and biology.

Additional funding will be allocated to the Welch Postdoctoral Fellows of the Life Sciences Research Foundation. The program provides three-year fellowships to recent PhD graduates to support clinical research careers in Texas. Two fellows from Rice University and Baylor University will receive $100,000 annually for three years.

The Welch Foundation also issued $975,000 through its equipment grant program to 13 institutions to help them develop "richer laboratory experience(s)." The universities matched funds of $352,346.

Since 1954, the Welch Foundation has contributed over $1.1 billion for Texas-nurtured advancements in chemistry through research grants, endowed chairs and other chemistry-related ventures. Last year, the foundation granted more than $40.5 million in academic research grants, equipment grants and fellowships.

“Through funding basic chemical research, we are actively investing in the future of humankind,” Adam Kuspa, president of The Welch Foundation, said the news release. “We are proud to support so many talented researchers across Texas and continue to be inspired by the important work they complete every day.”

New Houston biotech co. developing capsules for hard-to-treat tumors

biotech breakthroughs

Houston company Sentinel BioTherapeutics has made promising headway in cancer immunotherapy for patients who don’t respond positively to more traditional treatments. New biotech venture creation studio RBL LLC (pronounced “rebel”) recently debuted the company at the 2025 American Society of Clinical Oncology (ASCO) Annual Meeting in Chicago.

Rima Chakrabarti is a neurologist by training. Though she says she’s “passionate about treating the brain,” her greatest fervor currently lies in leading Sentinel as its CEO. Sentinel is RBL’s first clinical venture, and Chakrabarti also serves as cofounder and managing partner of the venture studio.

The team sees an opportunity to use cytokine interleukin-2 (IL-2) capsules to fight many solid tumors for which immunotherapy hasn't been effective in the past. “We plan to develop a pipeline of drugs that way,” Chakrabarti says.

This may all sound brand-new, but Sentinel’s research goes back years to the work of Omid Veiseh, director of the Rice Biotechnology Launch Pad (RBLP). Through another, now-defunct company called Avenge Bio, Veiseh and Paul Wotton — also with RBLP and now RBL’s CEO and chairman of Sentinel — invested close to $45 million in capital toward their promising discovery.

From preclinical data on studies in mice, Avenge was able to manufacture its platform focused on ovarian cancer treatments and test it on 14 human patients. “That's essentially opened the door to understanding the clinical efficacy of this drug as well as it's brought this to the attention of the FDA, such that now we're able to continue that conversation,” says Chakrabarti. She emphasizes the point that Avenge’s demise was not due to the science, but to the company's unsuccessful outsourcing to a Massachusetts management team.

“They hadn't analyzed a lot of the data that we got access to upon the acquisition,” explains Chakrabarti. “When we analyzed the data, we saw this dose-dependent immune activation, very specific upregulation of checkpoints on T cells. We came to understand how effective this agent could be as an immune priming agent in a way that Avenge Bio hadn't been developing this drug.”

Chakrabarti says that Sentinel’s phase II trials are coming soon. They’ll continue their previous work with ovarian cancer, but Chakrabarti says that she also believes that the IL-2 capsules will be effective in the treatment of endometrial cancer. There’s also potential for people with other cancers located in the peritoneal cavity, such as colorectal cancer, gastrointestinal cancer and even primary peritoneal carcinomatosis.

“We're delivering these capsules into the peritoneal cavity and seeing both the safety as well as the immune activation,” Chakrabarti says. “We're seeing that up-regulation of the checkpoint that I mentioned. We're seeing a strong safety signal. This drug was very well-tolerated by patients where IL-2 has always had a challenge in being a well-tolerated drug.”

When phase II will take place is up to the success of Sentinel’s fundraising push. What we do know is that it will be led by Amir Jazaeri at MD Anderson Cancer Center. Part of the goal this summer is also to create an automated cell manufacturing process and prove that Sentinel can store its product long-term.

“This isn’t just another cell therapy,” Chakrabarti says.

"Sentinel's cytokine factory platform is the breakthrough technology that we believe has the potential to define the next era of cancer treatment," adds Wotton.

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