by the numbers

New report reveals EV adoption in Texas remains low

In the latest installment of the Texas Trends survey, only 5.1 percent of Texans currently drive an electric-powered car, truck, or SUV. Photo via Getty Images

Interest in electric vehicles remains low in Texas, according to a recent report by University of Houston and Texas Southern University.

In the latest installment of the Texas Trends survey, only 5.1 percent of Texans currently drive an electric-powered car, truck, or SUV. Nearly 60 percent said they were not too likely or not at all likely to consider leasing or purchasing an electric vehicle in the future.

Respondents said that the largest factor in not opting for an EV was scarcity of charging stations. Other holdbacks included higher purchase prices, and not being able to charge an EV at home.

Acceptance of EVs did vary by respondents’ ethnicity, income, political affiliation and age:

-Asian-American respondents expressed the most interest (57 percent of respondents) in someday purchasing or leasing an EV.

-Those in the highest earning bracket voiced the highest interest in owning or leasing an EV one day. About 40% of those with an annual family income exceeding $80,000 said they'd consider an EV

-About 70% of Republicans and more than 60% of independents said they were not likely to ever buy or lease an EV

The researchers also posed an analysis to test if respondents would be more willing to purchase or lease an EV with lower purchasing prices, lower operating costs and decreased charging times. The factor that seemed to sway respondents most was length/duration of driving range on a single charge.

"If driving distances were longer on an EV’s single charge than with a full tank in a gas-powered vehicle–along with hypothetical situations lowered purchase prices, lowered operating costs and decreased charging times–respondents indicated they would go electric," according to a release from UH.

The EV portion of the report is the latest installment in the Texas Trends survey, a five-year project to study the state’s changing population and opinions, which was launched in 2021.

Other portions of the study focused on state propositions, school vouchers, primary elections, the summer heat wave and climate change.

The survey was conducted between Oct. 6 and Oct. 18 in English and Spanish for 1,914 respondents.

According to the report, 51 percent of Texans believe climate change significantly impacts extreme weather events. About 47 percent of those who acknowledge the impact of climate change on weather are likely to consider buying an electric vehicle.

About three-quarters (75.8 percent) of Texans describe the summer of 2023 as hotter than previous summers.

Meanwhile, the City of Houston has been working to accelerate EV adoption in the area.

Evolve Houston, founded through Houston's Climate Action Plan, awarded its inaugural eMobility Microgrant Initiative this summer to 13 groups, neighborhoods and an individual working to make electric vehicles accessible to all Houstonians.

The city also approved $281,000 funding for the expansion of free electric vehicle rideshare services in communities that are considered underserved by utilizing services like RYDE and Evolve Houston. Click here to read more.

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A View From HETI

Houston researchers have uncovered why solid-state batteries break down and what could be done to slow the process. Photo via Getty Images.

A team of researchers from the University of Houston, Rice University and Brown University has uncovered new findings that could extend battery life and potentially change the electric vehicle landscape.

The team, led by Yan Yao, the Hugh Roy and Lillie Cranz Cullen Distinguished Professor of Electrical and Computer Engineering at UH, recently published its findings in the journal Nature Communications.

The work deployed a powerful, high-resolution imaging technique known as operando scanning electron microscopy to better understand why solid-state batteries break down and what could be done to slow the process.

“This research solves a long-standing mystery about why solid-state batteries sometimes fail,” Yao, corresponding author of the study, said in a news release. “This discovery allows solid-state batteries to operate under lower pressure, which can reduce the need for bulky external casing and improve overall safety.”

A solid-state battery replaces liquid electrolytes found in conventional lithium-ion cells with a solid separator, according to Car and Driver. They also boast faster recharging capabilities, better safety and higher energy density.

However, when it comes to EVs, solid-state batteries are not ideal since they require high external stack pressure to stay intact while operating.

Yao’s team learned that tiny empty spaces, or voids, form within the solid-state batteries and merge into a large gap, which causes them to fail. The team found that adding small amounts of alloying elements, like magnesium, can help close the voids and help the battery continue to function. The team captured it in real-time with high-resolution videos that showed what happens inside a battery while it’s working under a scanning electron microscope.

“By carefully adjusting the battery’s chemistry, we can significantly lower the pressure needed to keep it stable,” Lihong Zhao, the first author of this work, a former postdoctoral researcher in Yao’s lab and now an assistant professor of electrical and computer engineering at UH, said in the release. “This breakthrough brings solid-state batteries much closer to being ready for real-world EV applications.”

The team says it plans to build on the alloy concept and explore other metals that could improve battery performance in the future.

“It’s about making future energy storage more reliable for everyone,” Zhao added.

The research was supported by the U.S. Department of Energy’s Battery 500 Consortium under the Vehicle Technologies Program. Other contributors were Min Feng from Brown; Chaoshan Wu, Liqun Guo, Zhaoyang Chen, Samprash Risal and Zheng Fan from UH; and Qing Ai and Jun Lou from Rice.

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