Trump Pauses Surprised Canada With Tariff Move as Keystone XL Suddenly Roars Back Into View

Joe Biden's State Department killed the Keystone XL pipeline for good back in June 2021.

Five years later, Donald Trump just used a 50 percent tariff threat against Ottawa to drag that dead pipeline back onto the negotiating table.

Now Mark Carney is scrambling, the tariffs are frozen, and Keystone XL is suddenly breathing again.

Fifty Percent and Three Days to Talk

Trump announced this week that a scheduled 50 percent tariff on a broad slate of Canadian goods is paused for three days while his team finalizes what he's calling a deal with Prime Minister Mark Carney's government.

He told reporters the emerging agreement could touch autos and, in a detail that made conservative energy hawks sit up, the long-buried Keystone XL pipeline.

Carney's office, for its part, described "substantial progress" in the talks – the kind of careful diplomatic language a prime minister uses when he's the one who needs the deal more.

This is not Trump softening.

This is Trump dangling relief in exchange for something he wants, which has been the whole playbook since he walked back into the Oval Office.

Canada has spent the better part of this year on the receiving end of Trump's tariff threats, and Ottawa has flinched every time.

Carney publicly apologized to Trump back in November 2025 after Ontario Premier Doug Ford ran an anti-tariff ad built around old Ronald Reagan audio – an ad that backfired so badly it blew up trade talks Carney's own government was trying to hold together.

Now the same Carney government is back at the table, this time with Keystone XL as a bargaining chip it apparently thinks it needs to offer.

Trump has made the same demand of every trading partner since January: sell to America on America's terms, or pay a tariff for the privilege of selling at all.

Ottawa is finding that out again now with a pipeline it thought was buried for good.

The Pipeline Biden Killed With a Pen

Keystone XL was supposed to move up to 830,000 barrels of Canadian crude a day into the United States.

Biden killed it on his first day in office by revoking the presidential permit, and by June 2021 TC Energy formally abandoned the project rather than keep fighting a federal government determined to strangle it.

Billions of dollars in construction, thousands of union jobs, and a direct pipeline of allied energy were thrown away for a climate photo-op.

Carney already knows the pipeline has value as leverage.

Bloomberg reported back in October 2025 that Carney had pitched Trump directly on an energy alliance built around reviving Keystone XL, long before this week's tariff drama.

That means the Canadian government has understood for almost a year that offering Trump his pipeline back is one of the few cards it holds.

Fox Business has noted the practical hurdles to actually restarting construction are real – permits, contracts, and infrastructure don't just switch back on.

But the political signal is unmistakable: the project Biden buried is now a chip Ottawa is playing to save its own economy.

Keystone XL was never just a construction project.

It was allied crude that did not have to cross an ocean on a tanker, and every year it sat dead was a year America stayed more dependent on producers who do not share our interests.

Trump's energy team has said reviving the permit is a matter of when, not if, once the Canada talks close, and conservative energy hawks are treating that as the real headline buried under the tariff news.

Leverage Beats Lecture Every Time

This is the pattern with Trump and Canada, and it has been the pattern since his first term over dairy, lumber, and steel.

He threatens real economic pain, the Canadian government howls about sovereignty for a news cycle, and then quietly comes back with concessions.

The Reagan ad apology was the tell.

Carney folded on that fight within days once he saw what defiance actually cost him at the border.

Keystone XL sitting back on the table is proof the tariff hammer works better than four years of climate lectures ever did for getting American energy built.

Biden's people thought killing that pipeline was a permanent win for their agenda.

Trump just showed it was only ever as permanent as the next tariff deadline.

Sources:

• Ben Smith, "Trump Hits Pause on Canada Tariffs With Keystone XL Back in Play," RedState, August 19, 2026.
• CNBC, "Trump hints Canada tariffs deal includes autos, Keystone XL," CNBC, August 19, 2026.
• New York Post, "Trump pauses 50% tariffs on Canadian goods for three days amid trade talks," New York Post, August 19, 2026.
• Fox Business, "Keystone XL back in play as Trump dangles tariff relief for Canada," Fox Business, August 19, 2026.
• Fox News, "Canada's Mark Carney apologized to Trump over Reagan anti-tariff ad after trade talks blew up," Fox News, November 2025.
• Bloomberg, "Carney Pitched Trump on Energy Alliance, Including Keystone XL," Bloomberg, October 8, 2025.
• CNBC, "Keystone pipeline officially canceled after Biden revokes key permit," CNBC, June 9, 2021.