Dangote Petroleum Refinery has switched all sales of petrol, diesel, and aviation fuel to U.S. dollars, effective immediately. The move — covering both gantry and coastal product sales — stems from a brutal mismatch: the refinery buys most of its crude in dollars but was selling finished products in naira under the NNPC's naira-for-crude scheme. Sources say NNPC is struggling to supply even 3 of the 15+ monthly crude cargoes needed under the naira...