A Naftal billboard shows prices at the entrance of the fuel station in the highway of Algiers, Algeria February 3, 2016. Unleaded fuel is priced at 31.02 dinar per litre. A dramatic drop in oil prices, driven down by a glut in supply, is translating into a mixed bag for motorists. All countries have access to the same oil prices on international markets, but retail prices vary wildly, largely because of taxes and subsidies. REUTERS/Ramzi Boudina SEARCH &quot;THE WIDER IMAGE&quot; FOR ALL STORIES