Iranians line up at a petrol station to fuel their motorcycles in central Tehran on February 19, 2012. The United States says it will exempt seven emerging economies including India from tough new ... more 

Iranians line up at a petrol station to fuel their motorcycles in central Tehran on February 19, 2012. The United States says it will exempt seven emerging economies including India from tough new sanctions after they cut back on oil from Iran, but the punishment still loomed for China less