Analysts skeptical about Nigeria's bid to improve local crude refining  

FILE - Workers ride in a vehicle at the construction site of the Dangote oil refinery in Ibeju Lekki district, on the outskirts of Lagos, Nigeria, Aug. 7, 2019.

Nigeria has been Africa’s largest or second-largest oil exporter for years, but relies heavily on imports to meet local energy needs. The government is trying to change that, saying the country’s four moribund oil refineries will be revived and put back in operation.