EXPLAINER-What is causing Cuba’s acute shortage of fuel?

Long lines of drivers at gas stations in Cuba and hours of wait for public transport are signs of the impact of sanctions imposed by the United States this year on the Caribbean island and its main ally, oil producer Venezuela. President Miguel Diaz-Canel this month warned Cubans of difficult times ahead due to limited fuel imports. Cuba has relied for decades on crude purchases from allies to feed its refineries.

Source: yahoo.com/news