Driving an EV Saves Money, but Not for Those Who Need It Most: Study

Most United States households would save money on transportation costs by switching to an electric car, a new University of Michigan study concluded this week. But families who could benefit the most from reduced transportation costs are also the ones who would pay more—not less—to drive an EV, the study also concluded. 

The University of Michigan study concluded that roughly 90% of U.S. households could cut the percentage of their income spent on transportation by driving an EV, which would also cut greenhouse gases created by fuel-burning cars. The study estimates that households in some locations, mostly around the smile states, could save $600 annually or more and cut their carbon footprint by 4.1 metric tons each year. The study did not factor in the initial cost of buying an EV. 

Map of percentage change in transportation energy burden from current on-road vehicle stock to a new battery-electric vehicle. Negative percentages indicate energy cost savings for EVs compared to gasoline powered vehicles. Areas with the greatest savings, shown in green, include the West Coast states and parts of the East and South. Transportation energy burden is the percentage of household income spent on fueling with gasoline or charging with electricity. (Univerisity of Michigan)

However, low-income families and residents of states with especially high energy costs—Hawaii and Alaska, for instance—would not save money by switching to an EV or would continue to spend a disproportionately high amount of money for transportation. That’s especially true for an estimated 8.3 million households the university researchers say are among the lowest income workers in the U.S. who spend 4% or more of household income on fuel costs. Those families who make 30% of their local median or less would continue to spend more for…

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