Interactive: Looming tariffs on Canadian, Mexican crude supply weigh on US refiners

US refiners’ dependence on neighboring Canada and Mexico for crude, particularly heavy crude, has helped them create one of the most advantaged and profitable refining centers in the world. Unable to meet heavy crude supply domestically, US refiners looked north and south for discounted heavy crude, finding ample nearby supply with low transportation costs.

A tariff would raise Canadian and Mexican crude prices, increase refinery operating costs as refiners seek alternate supply, and be passed along to US consumers at the pump, resulting in higher gasoline prices.

Full feature: US refiners brace for announced tariffs on Canadian, Mexican crude