Quartz | Nigeria's state oil company is missing $16 billion Quartz The drama continues over the long period of alleged widespread corruption at the Nigerian National Petroleum Corp (NNPC). Nigeria's auditor general said Monday (March 14) that the state oil company failed to turn over $16 billion in revenue due to the ... Buhari's battle to clean up Nigeria's oil industry - BBC News Buhari's battle to clean up Nigeria's oil industry |