What’s Behind Trump’s Love-Hate Relationship With Canada

Canada is one of the United States’ largest trading partners, but President Trump wants to either take it or leave it.

Trump Picks Another Trade Fight With Canada Over Lumber

The president initiated an investigation that could lead to tariffs on lumber imports, nearly half of which comes from Canada.

Oil Companies Wanted Trump to Lower Costs. Tariffs Are Raising Them.

The cost of steel pipe used to line oil and gas wells rose after President Trump said he would impose tariffs on steel and aluminum imports.

G.M. Has Plans Ready for Trump’s Canada and Mexico Tariffs

General Motors, the largest producer of cars in Mexico, won’t provide details on how it would react if President Trump imposes 25 percent tariffs from the two countries.

Oil Companies Embrace Trump, but Not ‘Drill, Baby, Drill’

Oil and gas executives welcomed President Trump’s early moves on energy policy, but many said they did not plan to increase production unless prices rose significantly.