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

One of the biggest consequences of a tariff on imports from Canada would be pricier lumber, though traders haven't flinched at Donald Trump's threat of 25% tariffs on goods that cross the northern border.

President-elect Trump's plan to increase tariffs on goods from China and impose them on products from Mexico and Canada would drive inflation up by nearly 1%, Goldman Sachs estimates.