Cuba is running on fumes. Across Havana and its outskirts, the signs of strain are everywhere: quieter streets, fewer cars, garbage piling up and rolling power outages. Last year, Cuba’s fuel imports ...

HAVANA — Havana's broad avenues are empty at night. Theaters are closed. Bars and cafes have curtains lowered. It’s hard to find lights in the streets or Cubans making money entertaining tourists.