The pump price of Premium Motor Spirit, popularly has called petrol, may rise from the current N162-N165/litre to N170/litre, while its depot price is projected to increase from N159/litre to N165/litre, oil marketers said on Thursday. Dealers under the aegis of the Independent Petroleum Marketers Association of Nigeria and the Petroleum Products Retail Outlets Owners Association of Nigeria warned that the rising cost of petrol at depots would definitely warrant commensurate increase in pump price if not checked. They also complained of PMS supply problems, stressing that many tank farms or depots had no petrol, which was why the few