Filling stations operated by the Nigerian National Petroleum Corporation (NNPC) Limited have increased the pump price of fuel again. Nairametrics observed that the product, which previously sold for N897 per liter in Abuja, now sells for N1,030. At NNPC stations in Gwagwalada, Wuse, and Lugbe, in Abuja, motorists queued as they waited for attendants to …