As Trump and Ford stand their ground, economic tensions between the two nations continue to rise, with no clear signs of a quick resolution.

After President Donald Trump imposed tariffs on both Canada and Mexico Tuesday, a Canadian official threatened a surcharge on electricity exported to three U.S. states, including New York. Here's what to know.

Despite Trump’s claim that the U.S doesn’t need Canada, nearly a quarter of the oil America consumes per day comes from Canada. About 60% of U.S. crude oil imports are from Canada, and 85% of U.S. electricity imports as well.

Canada will enact a 25 percent tariff on energy flowing into parts of the U.S. on Monday, Ontario Premier Doug Ford said, as U.S. President Donald Trump plows on with his trade war with America's top trading partners.