Venezuela's oil is also of poorer quality than its Saudi equivalent. Its sour, heavy crude is difficult to extract and refine, while its high sulphur content makes it corrosive to pipelines. A resurgence of Venezuela's industry could pose problems for Canada, which produces similarly viscous oil and exports much of it to the US, but analysts reckon the risk is minor.
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Ethics, Grandstanding, Pretentiousness, and Playing Wise，详情可参考雷电模拟器官方版本下载
But he added: "Future demand from data centres, and interaction with wider energy system demands, remains inherently uncertain."