Donald Trump's proposed tariffs on Canada could increase U.S. gas prices by up to 70 cents a gallon, energy experts say.

Household goods, gas and more may be pricier due to proposed steep tariffs, as Mexico and Canada are the country's top suppliers.

Wisconsin and other Midwest states rely heavily on oil from Canada, which would be subject to a 25% tariff under Trump's proposal.

If tariffs make those imports 25 percent more expensive (or if the flow of oil across the border slows or ceases in response to the new trade barriers Trump wants to erect), prices are likely to rise through the rest of the supply chain, including at the pump.

President-elect Donald Trump announced Nov. 25 he would impose sweeping new tariffs on countries he says have allowed illegal immigrants and drugs to enter the United States. If the import tax were implemented,