Trump’s tariffs on Mexico and Canada could cost Massachusetts consumers millions of dollars, Gov. Maura Healey said Monday.

Trump’s new tariffs on Canadian and Mexican oil could raise U.S. refining costs, disrupt supply chains, and drive up fuel prices. Here’s how they impact energy markets.

New 25% trade tariffs on goods from Canada and Mexico went into effect early Tuesday after President Donald Trump declined to extend a 30-day pause in a move the president says aims to quell the flow of illegal drugs like fentanyl into the U.S. The new assessments also include a 10% tariff on Canadian energy products.