Even five years ago, Saudi Arabia was in an economically enviable position. A few unsettling trends were unfolding: hybrid and electric cars were becoming more common and oil companies were driving wells across the shale basins of the US. But neither green vehicles nor shale oil was price competitive with their conventional predecessors, and Brent crude, the global oil price benchmark, was over $100.
5年前，从manbetx20客户端下载 上来说，沙特阿拉伯还很令人羡慕。当时已经出现了一些不妙的趋势：混合动力汽车和电动汽车越来越常见；石油公司在美国各个页岩盆地上钻井。但是，不论是绿色能源汽车还是页岩油，在价格上都竞争不过传统的石油。当时manbetx app苹果 基准油价——布伦特(Brent)原油价格每桶超过100美元。
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