US oil prices turn negative as demand dries up - BBC News
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:max_bytes(150000):strip_icc()/Fig1-1d0b58bbe2784a48819fb02717f19d7e.png "What Happened to Oil Prices in 2020")
What Happened to Oil Prices in 2020
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Too Much Oil: How a Barrel Came to Be Worth Less Than Nothing - The New York Times
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West Texas Intermediate - Wikipedia
