IEA’s 2008 forecast for global oil demand stands at 86.5 million b/d and OPEC’s forecast is 87.07 million b/d. IEA forecasts global demand to average 98.5 million b/d by 2015. Global demand for oil will increase to 106 million b/d by 2030. The main centers of increasing demand are in Indian, China and the other Asian countries, although continuously high prices, environmental concerns and renewable energy may have a significant influence on decreasing demand for petroleum