Ontario implemented a 25 percent tariff on all electricity exports to the U.S. on Monday, impacting three states.

"Although the amount of electricity imported over the Canadian border is a small part of the overall U.S. power supply, the transmission connections linking Canada and the United States are an ...

Donald Trump confirmed Canadian imports would be subject to 25 percent taxes, causing retaliation from north of the border.

Canadians and Republicans alike are confounded as President Donald Trump increasingly links a trade war to his push to annex America's northern neighbor.

The American president recently started fixating on the line separating the United States and Canada. It’s worth asking why.

The U.S. president on Tuesday reiterated his claims on Canada’s territory as he increased tariffs, threatening to bring the ...

But Mr. Trump’s criticisms have upended the business-as-usual atmosphere at the border. Map along the Canada-United States border highlighting Coutts, Canada and Sweet Grass, United states.

[Stay on top of transportation news: Get TTNews in your inbox.] Political leaders representing states that border Canada and Mexico are sounding the alarm about how cross-border tariffs between ...