The latest battle in U.S. President Donald Trump’s trade war is highlighting how the Canadian province of Ontario provides ...

But Trump announced time was up on March 3, and the tariffs went into effect overnight. Stock markets slipped, Canada ordered ...

Ontario’s premier, the leader of Canada’s most populous province, is now charging 25% more for electricity shipped to 1.5 ...

Ontario imposed a 25% surcharge on electricity exports to Michigan, Minnesota, and New York, affecting some 1.5 million ...

President Donald Trump said he will double the tariffs imposed on steel and aluminum imported from Canada after the province ...

Trump doubles tariffs on Canadian steel and aluminum, citing Ontario's electricity tax. He threatens national emergency and ...

TORONTO (AP) — Ontario’s premier, the leader of Canada’s most populous province, announced that effective Monday his province ...

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 move cafter Canada's most populous province Ontario, on Monday, announced that effective Monday it is charging a 25 ...

Ontario will increase electricity prices by 25% for 1.5 million American homes and businesses starting Monday, a move that could strain Michigan’s energy grid even though the state itself imports ...

President Donald Trump may have delayed most – though not all – of the tariffs he had imposed on Canada and Mexico, but that hasn’t stopped America’s northern neighbors from responding forcefully in ...

Doug Ford, the premier of Ontario, Canada, said in an interview on CNBC Tuesday he’d consider cutting the electricity his province supplies to the U.S. if the Trump administration continues to ...