Every day before dawn in Caracas, essential workers, like doctors, line up for hours at the few gas stations that still have fuel. The OPEC nation with the world’s largest oil reserves is short on gas because its refineries have collapsed, and the country can’t import fuel due to US sanctions. Martínez feels frustrated, he says — the shortages are limiting his ability to function as a doctor. His car is the only way he can get to work due to a lack of public transportation. By Mariana Zúñiga. Full Text -> Public Radio International