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

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.

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Houston e-commerce unicorn reaches $1.6B valuation with $50M fundraising round

fresh funding

Houston-based Cart.com, a provider of fulfillment and logistics services for B2C and B2B brands, has raised $50 million in venture capital, pushing its valuation to $1.6 billion. Since it was founded in 2020, Cart.com has raised $475 million.

Cart.com earned “unicorn” status in 2023 after securing a $60 million Series C round of funding. In the startup universe, “unicorn” refers to a private company that’s valued at $1 billion or more. Last year, Cart.com nailed down $130 million in debt funding, lifting its valuation to $1.2 billion.

Technically, Cart.com no longer qualifies as a startup. Rather, it’s now in “scaleup” territory. This term refers to a startup that has notched substantial growth and has maintained a stable workforce, among other positive achievements. Notable brands that have graduated from startup to scaleup include Airbnb, Peloton and Uber.

The $50 million round includes money from funds and accounts managed by BlackRock and Neuberger Berman, and new investors such as eGateway Capital, along with several unidentified venture capital firms, investors and family offices.

The company said it will use the fresh capital to fuel its global expansion through investments in infrastructure, technology, and M&A.

“Cart.com is continuing our strong growth trajectory across all operating metrics, and we intend to utilize this additional capital to accelerate the expansion of our platform and bring our customers new capabilities to enable their growth,” Omair Tariq, founder and CEO of Cart.com, said in a news release. Tariq added that his company is “well on our way to building the largest and most comprehensive platform in our space.”

Over the past 12 months, Cart.com completed its acquisition of OceanX, the fulfillment operation of direct marketing company Guthy-Renker, and Amify, an Amazon marketplace optimization and advertising platform. Bill Guthy, founder of Guthy-Renker, now sits on Cart.com’s board of directors

Texas luxury bus service adds route connecting The Woodlands and Dallas

Travel Time

Houston-area business and leisure travelers have a convenient new route to check out thanks to Vonlane. The Texas-based luxury motor coach service is adding a new daily service between The Woodlands and Dallas starting June 13.

Vonlane already offers service between Dallas and downtown Houston, at the Hyatt Regency at 1200 Louisiana St., eight times per day starting at 6 am. The ride takes 3 hours and 45 minutes.

According to Vonlane founder and CEO Alex Danza, The Woodlands has been a much-requested route.

“The Woodlands area has been our most requested geographic addition for several years, so we’re thrilled to announce this expansion, our 10th destination on our 11th anniversary,” Danza says. “Bringing our elevated bus service to suburban areas is a strategic priority as we seek to relieve the hassles of driving and air travel for our passengers and better meet them where they live, work, and play.”

The new service brings a convenient nonstop route to and from the northern fringe of Houston — The Woodlands, Spring, Cypress, Conroe, Montgomery County, and northern Harris County.

Beginning June 13, The Woodlands-Dallas route will offer the following departures:

  • Monday, Thursday, and Friday: 6:15 am, 10:15 am, 2:15 pm, and 6:15 pm – departing both The Woodlands and Dallas
  • Tuesday, Wednesday, and Sunday: 10:15 am and 2:15 pm – departing both The Woodlands and Dallas
  • Saturday: 9 am: departing The Woodlands
  • Saturday 1 pm: departing Dallas

This ride will take 3 hours and 15 minutes.

The new drop-off point for The Woodlands service will be at Woodlands Waterway Marriott Hotel & Convention Center, 1601 Lake Robbins Dr.. According to Danza, The Woodlands Waterway Marriott offers easy access to I-45, ample parking, and high-quality accommodations.

Riders will depart in Dallas at the established stop at Doubletree Love Field, 3300 W. Mockingbird Ln. The new route offers proximity to major employers in the area such as Alight Solutions, Baker Hughes, Chevron Phillips, Entergy, ExxonMobil, Hewlett-Packard, Houston Methodist, Huntsman Corporation, Lone Star College, McKesson, Memorial Hermann, Occidental Petroleum, St. Luke’s Health, and Texas Children’s.

Visit The Woodlands president Nick Wolda says in a statement that The Woodlands is a popular destination for Dallas residents.

“Visit The Woodlands is excited to welcome Vonlane to The Woodlands Waterway Marriott and Conference Center. This first-class amenity is a fantastic addition to our vibrant community, perfectly designed to elevate the travel experience,” Wolda says. “The Woodlands is the go-to destination for trips from the DFW area—whether you're a corporate conventioneer, a Pavilion concertgoer, a college student coming home, or a weekend shopping trip with friends. With this new service, getting to and from The Woodlands has never been easier or more enjoyable!"

Vonlane buses have 22 first-class leather seats, ample workspace, complimentary Wi-Fi, and an onboard attendant offering premium cabin service with snacks, meals, and beverages included.

Fares are a flat rate of $125 for one-way trips with advance purchase. No taxes, baggage fees, or change fees apply. Rates increase with less than seven days’ notice and within 24 hours before departure.

Tickets can be booked at www.vonlane.com.

Vonlane was founded in Texas in 2014 and offers more than 475 weekly departures across 10 destinations.

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A version of this story originally appeared on CultureMap.com.

Houston aerospace co. soars with first U.S. test flight of hypersonic engine

taking off

Houston-based Venus Aerospace successfully completed the first U.S. flight test of its proprietary engine at a demonstration at Spaceport America in New Mexico.

Venus’ next-generation rotating detonation rocket engine (RDRE) is supported by a $155,908 federal Small Business Innovation Research (SBIR) grant from NASA and aims to enable vehicles to travel four to six times the speed of sound from a conventional runway. The recent flight test was the first of an American-developed engine of its kind.

"With this flight test, Venus Aerospace is transforming a decades-old engineering challenge into an operational reality,” Thomas d'Halluin, managing partner at Airbus Ventures, an investor in Venus, said in a news release. “Getting a rotating detonation engine integrated, launch-ready, and validated under real conditions is no small feat. Venus has shown an extraordinary ability to translate deep technical insight into hardware progress, and we're proud to support their bold approach in their attempt to unlock the hypersonic economy and forge the future of propulsion."

Venus’ RDRE operates through supersonic shockwaves, called detonations, that generate more power with less fuel. It is designed to be affordable and scalable for defense and commercial systems.

The RDRE is also engineered to work with the company's air-breathing detonation ramjet, the VDR2, which helps enable aircraft to take off from a runway and transition to speeds exceeding Mach 6. Venus plans for full-scale propulsion testing and vehicle integration of this system. Venus’ ultimate goal is to develop a Mach 4 reusable passenger aircraft, known as the Stargazer M4.

"This milestone proves our engine works outside the lab, under real flight conditions," Andrew Duggleby, Venus co-founder and chief technology officer, said in the release. "Rotating detonation has been a long-sought gain in performance. Venus' RDRE solved the last but critical steps to harness the theoretical benefits of pressure gain combustion. We've built an engine that not only runs, but runs reliably and efficiently—and that's what makes it scalable. This is the foundation we need that, combined with a ramjet, completes the system from take-off to sustained hypersonic flight."

The hypersonic market is projected to surpass $12 billion by 2030, according to Venus.

"This is the moment we've been working toward for five years," Sassie Duggleby, CEO and co-founder of Venus Aerospace, added in the release. "We've proven that this technology works—not just in simulations or the lab, but in the air. With this milestone, we're one step closer to making high-speed flight accessible, affordable, and sustainable."