Government News BUSINESS: Petrojam Under Pressure To Reveal Pricing Mechanism September 3, 2012 jrobinson The Petrojam oil refinery at Marcus Garvey Drive in Kingston – File In the wake of concerns about the rising cost of petrol, Petrojam, the oil refinery jointly owned by the Jamaican government and Tags: Audit, Gregory Mair, jamaica, Oil refinery, Outline of industrial organization, petrojam, Pricing, Roger Chang