Nigerian billionaire Aliko Dangote and Kenyan President William Ruto broke ground on a planned $16 billion oil refinery aimed at meeting growing demand for petroleum products across East Africa ▻ ↧ Nigeria's Dangote breaks ground on $16 billion East African oil re... Construction begins on Wednesday of ​a $16 billion Kenyan oil refinery aimed at lowering East Africa's fuel costs and saving the region hard currency used to import refined products.