Spring 2026 saw a record 48% surge in US diesel prices, reaching $5.57 per gallon and threatening vital industrial supply chains. This May 2026 economic strain coincides with President Trump's approval rating dropping to 34% amidst the ongoing Iranian blockade. Experts warn that high May 2026 export volumes from Texas and Louisiana are tightening domestic supply, potentially leading to political demands for energy export restrictions if 2026 summer prices remain elevated.