Electric Vehicles Can’t Fix Sedentary Health Risks, Study Warns

Electric car parked next to a walkable urban street with sidewalks and green spaces

Electric cars may clean up air, but they’re not solving the epidemic of sedentary living. A 2004 study by Lawrence Frank found that each additional hour spent in a car correlated with a 6% increase in obesity risk, while each kilometer walked reduced it by 5%.

A 2026 replication in the American Journal of Preventive Medicine confirmed these findings, showing technological advances like electric vehicles improve air quality but do not reduce sedentary behavior.

Lawrence Frank said:

"You can spend just as much time sitting in an electric vehicle as you can in a gas one."

Jacob Carson, a researcher in urban health, emphasized that transportation budgets often overlook the health costs of car dependence. He noted:

"The last 20 years of technological progress haven't changed the original findings of this paper, and neither will the electrification or autonomization of cars."

Walkable, transit-connected communities, however, show measurable public health benefits.

Small infrastructure investments—such as sidewalks, benches, and safe crossings—reduce obesity, heart disease, and diabetes risks, particularly in low-income areas. The National Public Health Assessment Model quantifies these benefits, highlighting that urban design shapes behavior more effectively than vehicle technology alone.

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