EV equity

Houston researcher dives into accessibility of public EV charging stations

Research from Rice University of 20 U.S. cities shows that income was linked to who benefits most from public EV infrastructure. Photo by Andrew Roberts/Unsplash

A Rice University professor wants to redraw the map for the placement of electric vehicle charging stations to level the playing field for access to EV power sources.

Xinwu Qian, assistant professor of civil and environmental engineering at Rice, is leading research to rethink where EV charging stations should be installed so that they’re convenient for all motorists going about their day-to-day activities.

“Charging an electric vehicle isn’t just about plugging it in and waiting — it takes 30 minutes to an hour even with the fastest charger — therefore, it’s an activity layered with social, economic, and practical implications,” Qian says on Rice’s website. “While we’ve made great strides in EV adoption, the invisible barriers to public charging access remain a significant challenge.”

According to Qian’s research, public charging stations are more commonly located near low-income households, as these residents are less likely to afford or enjoy access to at-home charging. However, these stations are often far from where they conduct everyday activities.

The Rice report explains that, in contrast, public charging stations are geographically farther from affluent suburban areas. However, they often fit more seamlessly into these residents' daily schedules. As a result, low-income communities face an opportunity gap, where public charging may exist in theory but is less practical in reality.

A 2024 study led by Qian analyzed data from over 28,000 public EV charging stations and 5.5 million points across 20 U.S. cities.

“The findings were stark: Income, rather than proximity, was the dominant factor in determining who benefits most from public EV infrastructure,” Qian says.

“Wealthier individuals were more likely to find a charging station at places they frequent, and they also had the flexibility to spend time at those places while charging their vehicles,” he adds. “Meanwhile, lower-income communities struggled to integrate public charging into their routines due to a compounded issue of shorter dwell times and less alignment with daily activities.”

To make matters worse, businesses often target high-income people when they install charging stations, Qian’s research revealed.

“It’s a sad reality,” Qian said. “If we don’t address these systemic issues now, we risk deepening the divide between those who can afford EVs and those who can’t.”

A grant from the National Science Foundation backs Qian’s further research into this subject. He says the public and private sectors must collaborate to address the inequity in access to public charging stations for EVs.

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A View From HETI

Solugen has named James Begeal, with more than 25 years of experience in the chemical industry, as its new president of energy and water. Photo courtesy Solugen.

Houston-based biochemical producer Solugen has hired chemical industry veteran James Begeal as its new president of energy and water.

In his new position, Begeal leads the commercial strategy for the energy and produced-water sectors, “bringing our innovative chemistry directly to leading oil and gas operators, accelerating revenue growth, and deepening our commercial pipeline,” Solugen said in a news release.

Begeal has more than 25 years of experience in the chemical industry, including roles at oilfield technology company Baker Hughes and chemical company Clariant. In 2016, he co-founded NexGen Chemical Technologies, a Cypress-based provider of alternative natural-gas sweeteners. Begeal served as chief operating officer and chief technology officer at NexGen, which was acquired by League City-based Foremark Performance Chemicals in 2023. He then joined Foremark, which was acquired by investment firm CC Industries in 2024.

Begeal is no stranger to Solugen, having previously served as a company advisor.

“James is a builder — he knows what it takes to launch, scale, and win in this space,” says Solugen CEO Gaurab Chakrabarti. “We’re excited to have him bring that same builder’s mindset to Solugen as we double down on delivering solutions that meet our customers’ toughest challenges.”

The company also recently named Carlos Diaz as its new VP of strategy and international business. Diaz worked for 18 years at Baker Hughes and will lead Solugen's commercial expansion efforts into Latin America and beyond, according to a company representative.

Solugen, founded in 2016, raised $357 million in a series C venture capital round. The 2021 round catapulted Solugen into the unicorn category, meaning the private company is valued at more than $1 billion.

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