Oil hits seven-year high but shares rebound on Russian war - BBC News
2020-21: A year of great volatility in oil prices - Hindustan Times
What Happened to Oil Prices in 2020
Too Much Oil: How a Barrel Came to Be Worth Less Than Nothing - The New York Times
West Texas Intermediate - Wikipedia
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President Biden on Twitter: "Oil prices are decreasing, gas prices should too. Last time oil was $96 a barrel, gas was $3.62 a gallon. Now it's $4.31. Oil and gas companies shouldn't
World oil market chronology from 2003 - Wikipedia
What if Oil Hits US$200 per Barrel?
U.S. Energy Information Administration - EIA - Independent Statistics and Analysis