“Some of the contraband is spirited across the mountains in Pepsi bottles carried by child smugglers. Yet more is loaded into pick-up trucks or siphoned into barrels and strapped onto mules. So lucrative are the returns that even seasoned opium traffickers are abandoning their traditional cargo to grab a share of Pakistan’s closest thing to an oil boom: a roaring trade in illicit Iranian diesel.”
Source: Iran sanctions spur boom for Pakistani diesel smugglers | Reuters