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Solar panel-topped bus pilot program to launch with Houston, Dallas routes

FlixBus and Greyhound have teamed up with global solar company Green Energy to install roof-mounted solar panels on its buses. Photo via FlixBus

Texas roadways will soon see buses with solar panels thanks to a new partnership.

FlixBus and Greyhound have teamed up with global solar company Green Energy to install roof-mounted solar panels on its buses. The companies will pilot the program with buses operating between Houston and Dallas.

“Expanding the use of solar panels on buses across the United States, FlixBus and Green Energy demonstrate how innovation, sustainability, and profitability can go hand-in-hand,” James Armstrong, president CEO of the Americas at Green Energy, says in a news release. “This partnership is a great example of how modern technology can contribute to a more sustainable future for the transportation and long-distance travel industry.”

Flix’s buses hope to cut carbon dioxide emissions, reduce idling, lower diesel consumption, and double battery life by utilizing solar technology. Also, using the charge controller with an Internet of Things solution will enable FlixBus to monitor diesel savings and carbon dioxide reduction, solar production, and also gather and analyze data for future improvements.

The initiative aligns with FlixBus's commitment to “advance sustainable and affordable travel for everyone,” according to the company. Plans are currently underway to expand this initiative to additional markets, with New Orleans also currently being used.

“Environmentally responsible operations are a core value for FlixBus, and we’ve been consistently pushing the boundaries of intercity transportation with innovative solutions that can help us reduce our impact,” Jay Miller, head of business development, west region at Flix North America, adds. “We’re thrilled to expand our partnership and bring this technology to the U.S. in yet another key step toward achieving our sustainability goals.”

FlixBus, a German company with its North American headquarters in Dallas, acquired Greyhound in 2021.

The pilot program will be a route between Houston and Dallas. Photo via Green Energy

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A View From HETI

Syzygy Plasmonics will develop a facility, known as NovaSAF 1, to convert biogas into sustainable aviation fuel in Uruguay. Photo courtesy of Syzygy

Houston-based Syzygy Plasmonics announced plans to develop what it calls the world's first electrified facility to convert biogas into sustainable aviation fuel (SAF).

The facility, known as NovaSAF 1, will be located in Durazno, Uruguay. It is expected to produce over 350,000 gallons of SAF annually, which would be considered “a breakthrough in cost-effective, scalable clean fuel,” according to the company.

"This is more than just a SAF plant; it's a new model for biogas economics," Trevor Best, CEO of Syzygy Plasmonics, said in a news release. "We're unlocking a global asset class of underutilized biogas sites and turning them into high-value clean fuel hubs without pipelines, costly gas separation, or subsidy dependence.”

The project is backed by long-term feedstock and site agreements with one of Uruguay's largest dairy and agri-energy operations, Estancias del Lago, while the permitting and equipment sourcing are ongoing alongside front-end engineering work led by Kent.

Syzygy says the project will result in a 50 percent higher SAF yield than conventional thermal biogas reforming pathways and will utilize both methane and CO2 naturally found in biogas as feedstocks, eliminating the need for expensive CO2 separation technologies and infrastructure. Additionally, the modular facility will be designed for easy replication in biogas-rich regions.

The new facility is expected to begin commercial operations in Q1 2027 and produce SAF with at least an 80 percent reduction in carbon intensity compared to Jet A fuel. The company says that once fully commercialized the facility will produce SAF at Jet-A fuel cost parity.

“We believe NovaSAF represents one of the few viable pathways to producing SAF at jet parity and successfully decarbonizing air travel,” Best added in the release.

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