An American flag flies above a sign displaying gas prices at a gas station in Arcadia, Calif., on May 11.
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Suspending the federal gasoline tax could save drivers up to 18.4 cents per gallon. But it would drain the fund meant to cover roadbuilding and repairs — a fund that's already in trouble.
An American flag flies above a sign displaying gas prices at a gas station in Arcadia, Calif., on May 11.
Mario Tama/Getty Images
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Mario Tama/Getty Images

President Donald Trump floated a federal gas tax suspension. If enacted, here's how that could impact consumers.

President Donald Trump has proposed suspending the federal gas tax, but it would require an act by Congress.

President Donald Trump says he plans to suspend the federal gas tax "for a period of time" as part of a move to curb high prices…

Reducing the fee will have only a marginal impact on prices while depriving the government of revenue to maintain roads.

An average of 51 cents per gallon goes toward state and federal taxes and fees. Federal taxes account for 18 cents of that.

Suspending the tax could wind up pushing up prices more and would hurt the Highway Trust Fund, which depends on the revenue from…