general Adnan Shihab-Eldin said on Thursday that a supply disruption in already tight markets could push prices as high as $80 over the next two years. Booming commodity markets have become increasingly attractive to speculators as they bet that voracious Chinese demand for raw material will strain global supplies. Despite lingering concerns about an unusually cold March in the United States, gasoline is taking the market's spotlight from heating oil as the summer driving season approaches. --More 2348 Local Time 2048 GMT