LONDON (Reuters) – A huge oil refinery being built in Nigeria by Africa’s richest man is unlikely to start production until 2022, two years later than the target date, sources with direct knowledge of the matter said. The 650,000 barrel per day (bpd) refinery near Lagos, set to be Africa’s biggest, is expected to boost Nigeria’s growth and turn the country from an importer of refined products into an exporter, transforming global trade patterns. Billionaire Aliko Dangote, who built his fortune on cement, told Reuters last month he hoped to finish building the refinery in 2019 and to start production in early 2020. However, the sources, who have been on the site many times, said they do not expect gasoline […]