Barrel of Oil
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ENERGY
Oil Industry
Barrel of Oil
The 42-gallon oil barrel standard originated from 19th-century Pennsylvania oil transport practices
5 Feb 2026
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Why is the 42-gallon barrel significant in the oil industry?
It is the standardized volume used globally to measure and trade crude oil.
It represents the maximum capacity of modern oil storage tanks.
It is the volume of oil consumed by an average car in one year.
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