Prime Minister Dr Keith Rowley is promising to roll back the cost of fuel to motorists, whenever there is a significant drop in oil prices. He confirmed today that government is working on a pricing formula. The Prime Minister outlined the details at a media conference at the V-I-P lounge of the Piarco International Airport upon his return from an official trip to Barbados. Juhel Browne and cameraman Immanuel Nunez were there.