By Udeme Akpan Petrol depot prices declined across major supply centres  yesterday  as marketers implemented fresh price cuts, signalling increased competition in the downstream petroleum market. An analysis of the mid-day depot price report showed that most major depots in Lagos, Warri, Calabar and Port Harcourt either reduced their prices or maintained existing rates, with no […] The post Petrol depot prices drop as marketers slash rates by up to N23/litre  appeared first on Vanguard News.