First responders need to know exactly which hazardous materials are on a train so they can look it up in the government's official guidebook and make sure they have the right protective gear and firefighting tools. Photo by Stefan Gabriel Naghi/Pexels

A new federal rule finalized Monday aims to ensure first responders can find out what hazardous chemicals are on a train almost immediately after a derailment so they can respond appropriately. Texas, a major hub for chemical development, will be affected by the ruling.

Too often in past disasters like last year's fiery Norfolk Southern derailment in East Palestine, Ohio, firefighters risked their lives trying to extinguish a blaze without knowing the right way to respond. The local fire chief in charge of the response said it took him 45 minutes to learn exactly what was in the 11 burning tank cars on the train, but some firefighters from neighboring departments that came to help said they didn't know what they were dealing with until two hours after the February 3, 2023, crash.

First responders need to know exactly which hazardous materials are on a train so they can look it up in the government's official guidebook and make sure they have the right protective gear and firefighting tools, said Tristan Brown, deputy administrator of the Pipelines and Hazardous Materials Safety Administration agency that proposed the rule.

Knowing what chemical is involved and how much of it is aboard also affects how big of an evacuation zone might be required to protect the public.

“There are so many different types of hazardous materials being transported across the country on any given day — one in 10 goods that move across the United States — and each one, poses unique risks and hazards, certainly to the folks who are running towards a fire,” Brown said. “But certainly as well for anybody who may be living or working in that vicinity.”

The rule was published just one day ahead of the National Transportation Safety Board's final hearing on the East Palestine derailment, where they will discuss exactly what caused that crash and recommend steps to prevent similar disasters.

Train crews have long carried lists of their cargo in the cabs of their locomotives, but in the middle of the chaos after a derailment those engineers and conductors, who might have moved their locomotives miles down the track, can't always be found right away.

That's part of why the largest freight railroads developed an app called AskRail roughly a decade ago that enables firefighters to quickly look up the details of what each train carries. But not every firefighter had the app, and cell phones don't always have a signal strong enough to work in a disaster.

Regulators want the railroads to continue expanding access to that app, including to 911 centers, so information reaches first responders sooner. The railroads have been expanding access over the past year. The Association of American Railroads trade group estimates some 2.3 million first responders now have access to that information as a result of the effort to expand into dispatch centers.

The six biggest railroads also make train cargo information immediately available through the chemical industry's hazardous materials hotlines in the U.S. and Canada known as the CHEMTREC and CANUTEC, emergency call centers.

Norfolk Southern said that in addition to AskRail it is working with a different program called RapidSOS that will allow the railroad to directly send information about its trains to first responders after a derailment — instead of forcing them to look up the details in AskRail. The railroad said its work fits well with the new rule.

But the new federal rule also applies to the hundreds of smaller railroads that aren't involved in AskRail. Even railroads that only have one or two employees now must have a plan to get the crucial details of their cargo to the local fire department quickly, even if its as simple as having the fire chief's cell phone number at the ready. Railroads also must test their plan at least once a year.

“In a hazmat incident, firefighters and first responders arriving on scene need to know what kind of hazardous materials are present so they can protect themselves and their communities,” U.S. Transportation Secretary Pete Buttigieg said.

It's not clear how this rule might have changed the outcome in East Palestine, but more information could have helped responding firefighters.

The derailment prompted a nationwide reckoning over railroad safety and prompted Congress to propose changes and regulators like Buttigieg to urge railroads to do more to prevent derailments.

The Federal Railroad Administration has issued various advisories about different aspects of railroad operations, but the reforms in Congress have stalled because Republicans wanted to wait for the final NTSB report and regulators have had only limited success making changes.

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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.