Benchmark indices for oil were in a widespread Thursday as U.S. oil inventories swell and global economic pressures intensify on the back of tariff concerns. U.S. President Donald Trump is widely expected to follow through with a decision to impose tariffs on steel and aluminum imports from Canada, Mexico and the European Union, among Washington’s strongest allies. The president in April signed off on a 25 percent tariff on steel imports and a 10 percent tariff for aluminum, rattling the nerves of those in the domestic energy sector. Offered exemptions would expire on Friday. Trump’s decision would run counter to pleas from the U.S. energy sector, which relies on foreign niche suppliers for infrastructure like oil […]