EPA settles with Houston recycling company over Clean Air Act violations

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The U.S. Justice Department and the federal Environmental Protection Agency have reached an agreement with a Houston company on alleged violations of the federal Clean Air Act. Photo via Getty Images

Officials have reached an agreement with a Houston-based company over alleged violations of the federal Clean Air Act.

Under a proposed settlement with the U.S. Justice Department and the federal Environmental Protection Agency, Derichebourg Recycling USA Inc. will prevent the release of ozone-depleting refrigerants and non-exempt substitutes from refrigerant-containing items at its 10 scrap metal recycling facilities in Texas and Oklahoma. Derichebourg also will pay a $442,500 penalty.

Derichebourg Recycling USA’s parent company is France-based Derichebourg SA, an operator of scrap metal recycling facilities.

A complaint filed in federal court alleges Derichebourg Recycling USA failed to recover refrigerant from appliances and motor vehicle air conditioners before disposal, and failed to verify with the supplier that refrigerant had been properly recovered before delivery.

The complaint focuses on alleged Clean Air Act violations at three Derichebourg scrap metal recycling facilities in Houston: 7501 Wallisville Rd., 8202 W. Montgomery Rd., and 1 Wharf St. Environmental Protection Agency (EPA) inspections in 2018 led to the complaint.

Derichebourg operates three other facilities in the Houston area: 3515 Almeda Genoa Rd. and 6648 N. Eldridge Pkwy., both in Houston, and 13319 FM 1764 in Santa Fe.

“To continue protecting stratospheric ozone, we need companies like Derichebourg to comply with the Clean Air Act when recycling appliances and motor vehicles containing harmful refrigerants,” Todd Kim, an assistant U.S. attorney general, says in a January 7 news release.

The refrigerant, R-12, is one of the most destructive ozone-depleting substances and has a global warming potential greater than 10,000 times the power of carbon dioxide, according to the news release.

“Refrigerants that are not captured properly can be damaging to the earth’s ozone layer and are known to increase greenhouse gasses, which leads to climate change,” says Larry Starfield, acting assistant administrator of the EPA.

The agreement, called a consent decree, still requires approval from a federal judge in Houston. The consent decree is signed by two EPA attorneys and the CEO of Derichebourg Recycling USA, Philippe Leonard.

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Fast-growing Houston tech firm leads dozens of local companies on Inc. 5000

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Dozens of Houston-area businesses appear in this year’s Inc. 5000 ranking of the 5,000 fastest-growing private companies in the U.S., with a security software provider capturing the region’s No. 1 spot on the list.

Landing at No. 29 nationally and No. 1 in the software category, the top-ranked Houston-area private company is Houston-based Action1. The company recorded median revenue growth of 7,188 percent from 2021 to 2024, according to the Inc. 5000.

It’s the first appearance on the Inc. 5000 list for Action1, founded in 2018.

Action1 produces patch management software. A patch, or fix, quickly repairs software to resolve functionality problems, improve security or add features, according to TechTarget.

“Modern organizations understand that proactive patch management is essential to staying ahead of today’s rapidly evolving threat landscape,” Mike Walters, co-founder and president of Action1, said in a news release. “Our continued hypergrowth reflects the increased demand for enterprise cybersecurity innovation. You can’t be just powerful and secure — you must also be simple to deploy and scale and cost-effective.”

Below are the Houston-area businesses that earned a ranking among the top 1,000 companies, including their industries and their three-year growth rate. To see the other Houston-area companies in the Inc. 5000, visit inc.com/inc5000/2025.

  • No. 29 Houston-based Action1, software (7,188 percent)
  • No. 49 Spring-based Bogey Bros Golf, retail (5,540 percent)
  • No. 84 Houston-based Turtlebox Audio, consumer products (3,818 percent)
  • No. 87 The Woodlands-based Allied Wealth, financial services (3,796 percent)
  • No. 319 Houston-based Strategic Office Support, business products and services (1,228 percent)
  • No. 324 Houston-based Novo Communications, security (1,212 percent)
  • No. 363 Houston-based OptiSigns, software (1,101 percent)
  • No. 385 Houston-based Cart.com, business products and services (1,053 percent)
  • No. 421 Houston-based Sydecar, financial services (962 percent)
  • No. 471 The Woodlands-based Acuity Technology Partners, IT services (869 percent)
  • No. 577 Stafford-based Dahnani Private Equity Group, real estate (718 percent)
  • No. 706 Houston-based Why Not Natural, consumer products (585 percent)
  • No. 709 Stafford-based Signarama Sugar Land, manufacturing (584 percent)
  • No. 744 Houston-based FINBOA, software (557 percent)
  • No. 747 Houston-based Amundson Group, human resources (557 percent)
  • No. 793 Houston-based Field Industries, manufacturing (533 percent)
  • No. 957 Friendswood-based Good Ranchers, food and beverage (448 percent)
  • No. 999 Houston-based ARIA Signs & Design, business products and services (428 percent)

Houston universities climb the ranks on annual list of most patents issued

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The University of Houston and Rice University have claimed spots on the National Academy of Inventor's Top 100 U.S. Universities Granted Utility Patents.

The list is based on data obtained from the U.S. Patent and Trademark Office and ranks U.S. academic institutions that are advancing innovation by the number of utility patents issued in the prior year.

Utility patents are among the world’s most valuable assets because they give inventors exclusive commercial rights to produce and use their technology. The universities ranked on the list collectively hold nearly 6,500 patents.

“In the ever-evolving innovation landscape, it is imperative that the U.S. is remaining competitive and at the forefront of today’s emerging research and technologies,” Paul R. Sanberg, president of the NAI, said in a news release. “Ensuring the security of intellectual property through patenting is a crucial component to this and allows those innovations to be effectively moved to market, where they can create valuable societal and economic impact. The Top 100 U.S. list celebrates U.S. universities and their inventive staff and faculty for their dedication in ensuring their innovations and IP are protected.”

The University of Houston System came in at No. 62 with 34 patents, and Rice University claimed the No. 68 spot with 30 patents.

Both universities climbed up the rankings this year. Last year, UH was ranked No. 63 with 27 patents. Rice climbed an impressive 26 spots this year, after ranking No. 94 with 14 patents issued in 2023.

“Granted U.S. utility patents can tremendously help in commercializing the technologies covered by such patents by attracting industry investment and commercial partners on a global level,” Neha Malik, assistant director for intellectual property management in Rice's Office of Technology Transfer, said in a release. “Advancing in this list memorializes Rice’s commitment to support research programs of Rice faculty by generating a path for the university to bring its research to the marketplace.”

Other Texas universities on the list include:

  • No. 3 University of Texas System (234 patents)
  • No. 35 The Texas A&M System (61 patents)
  • No. 73 Texas Tech University System (25 patents)
  • No. 80 Baylor University (20 patents)

The University of California (540 patents) claimed the No. 1 spot again this year, followed by the Massachusetts Institute of Technology (295 patents), which also placed second for 2024.

First large-scale affordable housing project of 3D-printed homes rises in Houston

Building Blocks

What’s being promoted as the world’s first large-scale affordable housing development built using 3D technology is taking shape in Houston.

Houston-based 3D construction company HiveASMBLD has teamed up with Houston-based Cole Klein Builders and the City of Houston on the Zuri Gardens project. Located near Hobby Airport on Martindale Road, the first 3D-printed home at Zuri Gardens is set to be completed in October.

“Zuri Gardens was born from the frustration of watching hardworking families get priced out of safe, resilient housing. We knew there had to be a better way — and with this project, we’re proving that there is,” says Vanessa Cole, co-founder of Cole Klein Builders.

“By combining visionary design, advanced construction technology, and powerful partnerships, we’re building more than just homes — we’re creating a blueprint for the future of equitable homeownership in Houston and beyond.”

The development is being created for households earning up to 120 percent of the median income in the Houston metro area. For a four-member household in the Houston area, the 120 percent limit in 2025 is $121,300, as set by the U.S. Department of Housing and Urban Development (HUD).

The 13-acre Zuri Gardens development will feature 80 energy-efficient homes averaging 1,360 square feet. Prices will be in the mid to high $200s. The homes will qualify for up to $125,000 in down payment assistance from the City of Houston.

HiveASMBLD will print two different home designs, each with two-bedroom and two-and-a-half bathroom configurations, along with an office/flex space and a covered patio.

Zuri Gardens home model Houston Courtesy rendering

“The community we envision for Zuri Gardens is modern, safe, and one that residents will be proud to call home. When completed using HiveASMBLD’s innovative technology, this 3D-printed multifamily community will exemplify the future of residential affordable living,” says Timothy Lankau, founder and co-CEO of HiveASMBLD.

Developments like Zuri Gardens are popping up around the country.

“3D-printed homes are revolutionizing the construction industry by making home builds faster, cheaper, and more sustainable,” according to The Zebra, an Austin-based insurance marketplace. “In less than 24 hours, 3D printers can print the foundation and walls for a small home at a fraction of the cost of typical construction.”

U.S. News & World Report explains that unlike a traditional home, a 3D-printed home is printed in place, “just like you’d print a knickknack on your home 3D printer. Layer by layer, proprietary concrete blends are used to build the wall systems of the home in any type of design that a builder can imagine.”

Texas is home to several trailblazing 3D-printed projects.

In the U.S., the first 3D-printed home was built in 2018 in Austin, and the first 3D-printed multistory home was completed in 2023 in Harris County’s Spring Branch neighborhood. Meanwhile, the world’s largest neighborhood of 3D-printed homes is located in the Austin suburb of Georgetown.

Grand View Research predicts the global market for 3D-printed construction will approach $4.2 billion by 2030.

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This article originally appeared on CultureMap.com.

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