https://www.allnewspipeline.com/CA_The_Next_Venezuela.php
"
Venezuela, with the world's largest proven oil reserves, ran out of gasoline. The socialist governments of Chavez and Maduro lost the ability to pump oil from the ground and refine it into gasoline. What little gasoline that's available comes from Iran. But the Venezuelan government, which doesn't officially charge at most gasoline stations, uses a quota system, so a fill-up can mean waiting in line for days..."
