The economic downturn is drying up demand for oil and natural gas, dropping the benchmark price for a barrel of oil to below $50.
经济低迷正在抑制市场对石油和天然气的需求，导致基准原油价格跌破每桶50美元。
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In the long run, electricity from large wind farms in remote areas might be used to make hydrogen gas from water during periods when there is less than peak demand for electricity.