The U.S. and Canada have been going back and forth over tariffs since President Donald Trump 's return to the White House on ...

Behold a map that shows the complex web of energy exports between the U.S. and Canada, and just how many cards our neighbor ...

The sudden shifts in trade policy have forced energy regulators and grid operators in northern border states to scramble to ...

The U.S. president ratcheted up a trade war with America's northern neighbor after Ontario's surcharge on electricity sold to ...

President Trump ordered an additional 25% tariff on Canadian steel and aluminum imports Tuesday in response to Ontario charging Americans in parts of three border states 25% more for electricity.

The tariffs the Trump administration is imposing on Canada could disrupt the longstanding trade of electricity between the two countries.

Amid a U.S. trade war, Ontario Premier Doug Ford threatened a 25% surcharge on electricity exports to Michigan and other states from his province. Michigan does get a lot of electricity from Canada ..