The White House is expected to OK federal standards in the next few weeks that will nearly double vehicle gas mileage for vehicles by 2025, as automotive dealers warn the changes could slam the recovering retail car industry because they will come with sticker prices that will keep buyers off their lots.

The recommendations call for “fleet wide” gas mileage of 54.4 miles a gallon by 2015 — essentially the average gas mileage for cars, trucks, vans and all other vehicles in a model year.

The Environmental Protection Agency and National Highway Traffic Safety Administration submitted their proposed 2017-2025 fuel-efficiency recommendations in mid-July to the administration’s Office of Management and Budget.

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