Little-known shipping companies registered in the United Arab Emirates (UAE) have been shipping Venezuelan crude oil in breach of the U.S. sanctions on Nicolas Maduro’s regime, Reuters says in a special report on Tuesday. The companies Muhit Maritime, Issa Shipping FZE, and Asia Charm Ltd, all registered in two free zones in the UAE, have transported nearly 4 percent of Venezuela’s total crude oil and fuel exports so far this year, according to Reuters estimates based on internal shipping documents of Venezuelan state oil firm…