U.S. Blocks Deal by Florida-based Vanguard Energy to Supply Fuel to Cuba NYT - Top Stories By: Simon Romero 11 June 2026 at 20:49 The deal to ship 250,000 barrels of fuel to Cuba could have eased an energy crisis. But the Trump administration says Vanguard Energy lacks the authorization to proceed. © Norlys Perez/ReutersA blackout in Havana on Wednesday.