Crude oil prices have been on rally for the sixth straight week, hitting the seven-year highs. | IG International
Crude Oil Prices - 70 Year Historical Chart | MacroTrends
Economics, fundamentals, technology, finance, speculation and geopolitics of crude oil prices: an econometric analysis and forecast based on data from 1990 to 2017 | SpringerLink
West Texas Intermediate - Wikipedia
Oil price rises above $80 for first time in three years - BBC News
Brent crude hits $70 as traders bet on sustained revival in oil demand | Financial Times
U.S. Energy Information Administration - EIA - Independent Statistics and Analysis