U.S. President Donald Trump's decision to allow foreign-flagged cargo ships to move fuel and other goods between domestic ports has not significantly impacted American oil supply, according to trade data and analysts. The Jones Act restricts movements of goods between U.S.-flagged vessels to U.N. and restricts the flow of crude oil, refined products, biofuels, and liquid chemicals to US-controlled vessels. This has led to higher profits for refiners and shippers sending fuel overseas, making them more profitable. Meanwhile, Asian and European oil markets have been hit particularly hard by the Middle East war, with Iran's blockade of the Strait of Hormuz cutting off refiners from their regular crude and fuel exporters.