At least two oil tankers have made their way to Venezuela in recent days and others are navigating towards the country, a sign of state-run PDVSA's effort to expand floating storage and keep selling crude even as a U.S. blockade has reduced exports to a minimum.U.S.<p><p>https://www.marinelink.com/news/oil-tankers-arrive-venezuela-despite-us-533935</p></p>