The iea said , however , that u.s. primacy in world oil production could prove short-lived .

不过，iea说，美国在世界石油生产中的领先地位可能是短暂的。

China is working with the iea to improve data collection .

中国正携手国际能源署改进数据收集情况。

Ed morse , global head of commodities research at citi global markets inc. , says the iea 's fourth-quarter estimate for global oil output is too conservative .

花旗环球金融（citiglobalmarketsinc.）全球大宗商品研究负责人莫尔斯（edmorse）说，国际能源署对第四季度全球石油产量的估计过于保守。

That forecast is likely to be revised down , because iea demand projections hinge on imf growth forecasts .

由于iea的需求预估取决于imf对经济增长的预估，因此iea的原油需求预估可能将向下修正。

Using the iea 's data for energy sources and average inflation-adjusted prices for different fuels , we can calculate how much must be spent on energy to produce each dollar of gross domestic product .

根据iea不同燃料的来源和通货膨胀调整后的平均价格的数据，我们可以计算出每生产一美元的国内生产总值（gdp）所需能源的成本。