Africa's richest person just opened a $19 billion oil refinery to help Nigeria reduce fuel imports

• Aliko Dangote is the richest person in Africa, data from the Forbes Billionaires Index shows.
• Dangote founded and chairs Dangote Cement, Africa's largest cement producer.
• After years of delays, he's opened a huge oil refinery in Nigeria.

Africa's richest person has opened one of the world's largest oil refineries in Nigeria.

Aliko Dangote, the billionaire founder and chairman of the multinational conglomerate the Dangote Group, opened the Dangote Petroleum Refinery in a bid to help make Nigeria self-sufficient in fuel.

The $19 billion refinery, in the coastal city of Lekki, near Lagos, has suffered years of delays and setbacks, but it finally began production last week.