Elon Musk is the richest person in Austin and in America. Photo by Justin Sullivan/Getty Images

SpaceX and Tesla co-founder Elon Musk has topped Forbes' list as the wealthiest person in America for the third time. Musk is one of seven Austin billionaires who have made the new Forbes 400, a list of the 400 richest people in the United States for 2024.

Forbes estimates Musk's net worth in 2024 as $244 billion, which is $7 billion less than his estimated net worth last year. Musk, 53, is the cofounder of seven companies, including SpaceX, xAI, The Boring Company, among others. He serves as the CEO of Tesla, which is headquartered in Austin.

In 2022, Musk famously acquired Twitter in a $44 billion deal.

"Forbes estimates that the social media company, which he renamed X, is worth nearly 70 percent less as of August 2024.," Forbes wrote in Musk's profile.

Most recently, court filings revealed Musk shifted his plans to relocate X's headquarters from San Francisco to Bastrop, a city 30 miles southeast of Austin. He originally stated he would be moving the company's headquarters to Austin in July 2024, after California Governor Gavin Newsom signed a new law that barred school districts from requiring staff to notify parents of their child’s gender identification change.

A dozen of Houston's illustrious billionaires have also made the cut on the list. Houston hospitality king and Rockets owner Tilman Fertitta is the 12th richest Texan and the 99th richest person in the United States, according to Forbes' list, released October 1.

Forbes estimates Fertitta's net worth in 2024 as $10.1 billion, which has steadily climbed from his 2023 net worth of $8.1 billion. Fertitta, 67, purchased the Houston Rockets in October 2017 for $2.2 billion. The billionaire also owns Texas-based hospitality and entertainment corporation Landry's. In 2019, Fertitta embarked on a new venture as an author.

"Fertitta released his first book titled Shut Up And Listen! in September [2019], detailing his experiences in the dining and entertainment industries," Forbes wrote in Fertitta's profile.

The Forbes 400list is a definitive ranking of the wealthiest Americans, using interviews, financial data, and documentation provided by billionaires and their companies.

According to the report, America's elite class is now worth $5.4 trillion collectively, which is a $1 trillion jump since 2023.

“The Forbes 400 is richer than ever, and it’s harder than ever to be one of the 400 richest people in America," said Forbes senior editor Chase Peterson-Withorn in a press release.

In all, 43 Texas billionaires made the list. Newcomers include Houston-based Westlake Corporation co-owners Albert Chao, James Chao, and their respective families. According to their Forbes profiles, the Chaos own nearly 25 percent of Westlake Corporation, which produces low-density polyethylene that is used for food packaging and other products.

"His father, T.T. Chao, moved the family from Taiwan to the U.S. and founded Westlake in 1986," Albert Chao's profile says. "Albert and brother James Chao are credited with helping launch the company. Albert was CEO from 2004 to July 2024, when he became executive chairman. James was chairman from 2004 to July 2024, when he became senior chairman."

Here's how the rest of Houston's billionaires fared on this year's list:

  • Oil and gas chairman Richard Kinder ranks No. 112 nationally with an estimated worth of $9.3 billion.
  • Houston pipeline heir Randa Duncan Williams ties for No. 126 with an estimated net worth of $8.6 billion. Fellow pipeline heirs Dannine Avara and Milane Frantz tie for 130th nationally. Each has an estimated net worth of $8.5 billion. Scott Duncan ranks No. 137 with an $8.3 billion estimated net worth.
  • Toyota mega-dealer Dan Friedkin and Houston oil tycoon Jeffery Hildebrand tie for 156th nationally with an estimated net worth of $7.6 billion.
  • Houston Texans owner Janice McNair ties for No. 210 nationally with an estimated net worth of $6.2 billion.
  • Energy exploration chief exec George Bishop of The Woodlands ranks No. 266 with an estimated net worth of $5 billion.

Missing from the 2024 list is local hedge fund honcho John Arnold, who ranked No. 345 nationally in 2023 but now ranks No. 991 in 2024 with an estimated net worth of $3.3 billion. As of October 1, Forbes estimates Arnold's net worth at $2.9 billion.

Find all the Texans on the new Forbes 400 list here.

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This article originally ran on CultureMap.

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Houston startup launches groundbreaking mineral hydrogen pilot

pilot project

Houston climatech company Vema Hydrogen recently completed drilling its first two pilot wells in Quebec for its Engineered Mineral Hydrogen (EMH) pilot. The company says the project is the first EMH pilot of its kind.

Vema’s EMH technology produces low-cost, high-purity hydrogen from subsurface rock formations. It has the capacity to support e-fuel and clean mobility industries and the shipping and air transport markets. The pilot project is the first field deployment of the company’s technology.

“This pilot will provide the critical data needed to validate Engineered Mineral Hydrogen at commercial scale and demonstrate that Quebec can lead the world in this emerging clean energy category,” Pierre Levin, CEO of Vema Hydrogen, said in a news release.

Levin added that the sample collected thus far in the pilot is “exactly what we expected, and is very promising for hydrogen yields.”

Through the pilot, Vema will collect core samples and begin subsurface analysis to evaluate fluid movement and monitor hydrogen production from the wells. The data collected from the pilot will shape Vema's plans for commercialization and provide documentation for proof of concept in the field, according to the news release.

“Vema Hydrogen perfectly embodies the spirit of the grey to green movement: transforming mining liabilities into drivers of innovation and ecological transition,” Ludovic Beauregard, circular economy commissioner at the Thetford Region Economic Development Corporation, added in the release.

“This project demonstrates that it is possible to reconcile the revitalization of mining regions, clean energy and sustainable economic development for these areas.”

In addition to its pilot in Canada, Vema also recently signed a 10-year hydrogen purchase and sale agreement with San Francisco-based Verne Power to supply clean hydrogen for data centers across California. The company was selected as a Qualified Supplier by The First Public Hydrogen Authority, which will allow it to supply clean hydrogen at scale to California’s municipalities, transit agencies and businesses through the FPH2 network.

Vema aims to produce Engineered Mineral Hydrogen for less than $1 per kilogram. The company, founded in 2024, is working toward a gigawatt-scale hydrogen supply in North America.

Houston startup wins funding through new Bezos Earth Fund initiative

global winner

A Houston-based climatech startup is one of the first 16 companies in the world to receive funding through a new partnership between The Bezos Earth Fund and The Earthshot Prize.

Mati Carbon will receive $100,000 through the Bezos Earth Fund’s Acceleration Initiative. The initiative will provide $4.8 million over three years to support climate and nature solutions startups. It's backed by The Bezos Earth Fund, which was founded through a $10 billion gift from Amazon founder Jeff Bezos and aims to "transform the fight against climate change."

The Acceleration Initiative will choose 16 startups each year from The Earthshot Prize’s global pool of nominations that were not selected as finalists. The Earthshot Prize, founded by Prince William, awards £1 million to five energy startups each year over a decade.

"The Earthshot Prize selects 15 finalists each year, but our wider pool of nominations represents a global pipeline of innovators and investable solutions that benefit both people and planet. Collaborating with the Bezos Earth Fund to support additional high-potential solutions is at the heart of commitment to working with partners who share our vision," Jason Knauf, CEO of The Earthshot Prize, said in a news release. "By combining our strengths to support 48 carefully selected grantees from The Earthshot Prize’s pool of nominations, our partnership with the Bezos Earth Fund means we will continue to drive systemic change beyond our annual Prize cycle, delivering real-world impact at scale and speed.”

Mati Carbon was founded in 2022 by co-directors Shantanu Agarwal and Rwitwika Bhattacharya. It removes carbon through its Enhanced Rock Weathering (ERW) program and works with agricultural farms in Africa and India. Mati Carbon says the farmers it partners with are some of the most vulnerable to the impacts of climate change.

"As one of the first 16 organizations selected, this support enables us to expand our operations, move faster and think bigger about the impact we can create," the company shared in a LinkedIn post.

The other grantees from around the world include:

  • Air Protein Inc.
  • Climatenza Solar
  • Instituto Floresta Viva
  • Forum Konservasi Leuser
  • Fundación Rewilding Argentina
  • Hyperion Robotics
  • InPlanet
  • Lasso
  • Mandai Nature
  • MERMAID
  • Asociación Conservacionista Misión Tiburón
  • Simple Planet
  • Snowchange Cooperative
  • tHEMEat Company
  • UP Catalyst

Mati Carbon also won the $50 million grand prize in the XPRIZE Carbon Removal competition, backed by Elon Musk’s charitable organization, The Musk Foundation, last year.

Texas' oil and gas foundation could boost its geothermal future, UH says

future of geothermal

Equipped with the proper policies and investments, Texas could capitalize on its oil and gas infrastructure and expertise to lead the U.S. in development of advanced geothermal power, a new University of Houston white paper says.

Drilling, reservoir development and subsurface engineering are among the Texas oil and gas industry’s capabilities that could translate to geothermal energy, according to a news release. Furthermore, oil and gas skills, data, technology and supply chains could help make geothermal power more cost-effective.

Up to 80 percent of the investment required for a geothermal project involves capacity and skills that are common in the oil and gas industry, the white paper points out.

Building on its existing oil-and-gas foundation, Texas could help accelerate production of geothermal energy, lower geothermal energy costs and create more jobs in the energy workforce, according to the news release.

The paper also highlights geothermal progress made by Houston-based companies Fervo Energy, Quaise Energy and Sage Geosystems, as well as Canada-based Eavor Technologies Inc.

UH’s Division of Energy published the white paper, Advanced Geothermal: Opportunities and Challenges, in partnership with the C.T. Bauer College of Business’ Gutierrez Energy Management Institute.

“Energy demand, especially electricity demand, is continuing to grow, and we need to develop new low-carbon energy sources to meet those needs,” Greg Bean, executive director of the institute and author of the white paper, said of geothermal’s potential.