Alberta Premier Danielle Smith said the oil-producing region could look beyond the U.S. for customers if Trump's tariff threats create uncertainty.

US stocks pare steep losses after Ontario halts 25% tax on electricity to avert trade war. US says it won't proceed with its retailiatory levy now.

By Andrea Shalal, David Lawder and Jarrett Renshaw WASHINGTON (Reuters) -Donald Trump threatened on Wednesday to escalate a global trade war with further tariffs on European Union goods, as major U.S.

The 25 percent tariff on aluminum and steel imports, officially enacted on Wednesday, are making waves across various industries – none more so than oil and gas. But exactly how is the sector feeling the pinch?

U.S. tariffs on steel and aluminum imports are poised to escalate costs for the oilfield service companies behind North America's vast energy industry, as their operations rely heavily on these metals.