IDAHO FALLS, Idaho (AP) — An Idaho National Laboratory study has found that widespread adoption of electric vehicles could reduce the country's gas consumption, but that the availability of charging stations will determine if more people buy.

The Post Register reports that the report looks at research from 2011 through 2013 and is the most comprehensive study of electric vehicles and charging usage ever conducted. The research was conducted for the U.S. Department of Energy, which is pushing for more widespread adoption of plug-in electric cars.

The report finds that charging stations should be in places where vehicles spend long periods parked, including homes and workplaces, as opposed to where gas stations are. It also found that home charging stations could be made more efficient and cost effective.

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