Q&A

Houston entrepreneur on how mobile payments will impact the energy transition

Don Frieden of P97 shares his thoughts on the future of payment technology amid the energy transition. Photo courtesy of P97

Whether you fuel up your car at the pump or a plug, you need to pay for it. One venture-backed Houston company is dedicated to optimizing that transaction process.

P97 was founded in 2012 to upgrade gas station payments — something that had remained stagnant since around 1997 with the card reader. Don Frieden, CEO and president at the company, thought more can be improved in this process and other daily transactions.

He shared his vision for the company — past, present, and future — on the Houston Innovators Podcast, as well as how he sees the relationship between fintech and the energy transition.



Tell me about the founding mission you had for P97 and the current technologies you're working on.


Don Frieden: P97 is my second software startup — both Houston-based companies. The first one was back in the late '90s, and we were leveraging technology to enable workforce automation and decisions for technology. I mentioned that just because it's relevant because fast forward, and that business was required by public traded company in 2008 and some of our learnings were about payments of gas technology, which led us to start this business.

With P97, our mission from the beginning was simplifying and energizing daily journeys. We think about daily journeys from the time we leave home in the morning and when we get back at the end of the day — whether it's tolling, parking, buying fuel, fast food restaurants, it's all a part of your daily journeys, and our goal is to make things a little bit simpler each day.

There hadn't been any payment innovation from the late '90s, and that was contactless payment at the gas pump, but nothing more until we started the business in 2012. Part of the reason the company name is P97 is because we wanted to innovate around payments since we really hadn't seen anything innovative since 1997.

One of the things we’re most excited about is voice enable payments through our partnership with Amazon's Alexa. The landscape of payments at gas stations underwent this next revolution, and we're using cutting-edge speech recognition and artificial intelligence to allow drivers to pay for fuel just using their voice. It makes the process faster and more efficient, and is completely hands-free. From this time I say, “Alexa, buy gas,” six seconds later, the gas would be turned on and any loyalty rewards I have would be applied, all from the comfort of my car.

How is P97 set up to address the energy transition and the new fuel sources coming out of it?


DF: The good news is about fuel is it's a process of filling up a vehicle — whether it's with a EV charge or whether you're putting hydrogen in the tank. We run one of the largest hydrogen networks in California now. Or, it’s just traditional fuel selling in gallons. The biggest challenge really is integrating all of those different use cases into mobile apps so families can have a wide variety of ways to to fuel their vehicles of wide variety of ways to pay for that fuel — all in one really frictionless experience.

How do you see Houston as a hub for your company as well as an energy transition leader?


DF: Houston is pretty much the energy capital of the world, so from from a partnership and client perspective, life is really easy in Houston right because we have so many major energy companies represented here, but we're not exactly a tech hub. Hiring in Houston has been a bit of a challenge. We have to sometimes hire people out of California and relocate them to Houston. Because of the high quality of life in Houston, we have been able to relocate people here and hire the very best talent.

The reality is that all these energy companies have now recognized the energy transition. Early on, electric vehicles were not overly popular, but now I think we all embrace the importance of climate change and zero hydrocarbon footprint. I think the last 24 months have seen really a major change in embracing everything from wind to solar to supporting the electrification of transportation. You've seen major investments by energy companies acquiring technology companies that can help them accelerate as they make the transition. It was maybe a little bit slow going early on, but the last couple of years, we've just watched it really accelerate. I think also with the US Government getting behind the Infrastructure Bill and putting programs out there to help companies transition has really also helped accelerate this process.

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A View From HETI

Vaulted Deep is planning a North American buildout. Photo via vaulteddeep.com

Houston-based Vaulted Deep, a waste management and carbon removal company, has announced a major $35 million debt facility from Italian investment bank Mediobanca to support its national expansion.

U.K.-based market energy solutions CFP Energy arranged the deal, which is “the largest publicly disclosed U.S. commercial debt deal in durable carbon removal to be secured by long-term purchase contracts,” according to a news release from the companies.

The financing will support new waste disposal sites for Vaulted Deep and advancements of the company’s AI-enabled site development platform. The platform helps identify locations, navigate permitting and optimize injection operations. When candidates are looking for sites, the platform will pull from regulatory, geology and waste-supply data to assist, which Vaulted Deep says will help streamline the permitting process. After the site is operating, the platform helps control algorithms to maximize safe disposal capacity and monitor the process along the way.

"Waste operators across the country need new options as traditional disposal options become limited,” Julia Reichelstein, CEO and co-founder of Vaulted Deep, said in the release. “This financing lets us take on more projects and invest in the tools that help us evaluate and develop new sites faster. This is a meaningful milestone for Vaulted as we move into the next phase of building infrastructure at a much larger scale."

The deal is supported by Vaulted Deep's long-term waste service and carbon removal purchase contracts. The company says it delivered more than 20,000 tons of carbon removal to buyers in the first half of 2026, which is more than it delivered in all of 2025.

"By facilitating these types of transactions, we connect institutional capital with innovative climate technologies, helping accelerate the deployment of high-integrity carbon removal solutions,” Tyler Manchester, head of voluntary carbon for CFP Energy, added in the release. “It reflects growing investor confidence in these solutions, driven by rising demand from corporate buyers seeking permanent pathways to support net-zero commitments and long-term climate strategies."

Beyond the facility, Vaulted Deep has secured $48 million in equity financing in addition to its $8 million from the XPRIZE Carbon Removal competition, backed by Elon Musk’s charitable organization, The Musk Foundation.

The company's well injection technology is used to store organic waste deep underground in stable geologic formations. In 2025, it inked a 12-year deal with Microsoft to remove up to 4.9 million metric tons of carbon dioxide from the environment.

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