New research finds drivers in Washington, California and New York could halve their transport costs by switching to electric vehicles (EVs)

A recent study has found over 90 per cent of vehicle-owning US households could slash their greenhouse gas emissions as well as their transport costs by switching to electric vehicles (EVs)

The study published in IOP Publishing’s journal Environmental Research Letters maps the change in annual income spent on transport fuels for vehicle-owning US households upon adopting electric vehicles.  

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Drivers in Washington, California and New York are set to see the greatest reductions in transport costs and greenhouse gas emissions because of a combination of cleaner power grids and low electricity prices in comparison to gasoline prices, among other factors. 

Typically, US households are highly dependent on private vehicles, with over 80 per cent of journeys taken via personal cars. These journeys are not only bad for the environment and public health. They are also expensive with around 67 per cent of US households currently considered to have medium-to-high travel costs, spending greater than two per cent of their annual income on transportation. 

Joshua Newell, co-author of the study and Professor of Environment and Sustainability at the University of Michigan, said: “As the need for decarbonisation becomes increasingly urgent, it is crucial that we identify where and how we can reduce greenhouse gas emissions, starting with assessing the long-term affordability of electric vehicles. 

“Our results show that not only are electric cars better at reducing greenhouse gas emissions but in most cases, they are cheaper to run too.” 

The new study evaluates the cost-effectiveness of switching to electric vehicles in comparison to new gasoline-fuelled vehicles, for different regions across the United States. The results show that 71 per cent of US drivers could halve their transport bills by going electric. In comparison, just 0.02 per cent of drivers would see the same reduction in fuel costs by switching to newer, gasoline-fuelled cars. 

Moreover, the team found that adopting an electric vehicle would more than double the number of US households with low transport costs, spending less than two per cent of their annual income on transport fuels. Nationwide, this equates to over 80 per cent of vehicle-owning households. 

Jesse Vega-Perkins, lead author of the study, said: “Our research contributes to the topic of energy justice, ensuring participation in the energy system is equitable, affordable, and accessible for all. We are hopeful that this study will inform people on where significant, affordable reductions in greenhouse gas emissions can be made. 

“For the majority of people, the ongoing fuel cost of electric vehicles will be even lower than adopting newer, more efficient gasoline vehicles. However, the prominent differences across the nation emphasise the need for a regional approach to electric vehicle transitions.”

Ian Osborne
Ian Osborne
Editor-in-Chief at ElectricDrives

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