Efforts to extinguish a growing fire on a cargo ship carrying about 4,000 German cars belonging to the Volkswagen Group in the Atlantic Ocean are proving complicated. Dutch salvage experts are trying to work out how to put out the fire on the vessel as it drifts some 170 kilometres south of the Azores. The 22 members of the crew of the almost 200-metre-long Felicity Ace were safely evacuated soon after the fire broke out on Wednesday. Flames broke out on one of the car decks and the fire subsequently spread from the bow to the stern. The high temperatures have melted the side of the ship in so…