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The API gravity of crude oil produced in the U.S. varies widely across states">The API gravity of crude oil produced in the U.S. varies widely across states

(Wed, 19 Apr 2017) API gravity is one of the key characteristics of crude oil that, along with other characteristics such as sulfur content, is used by refiners when evaluating different crude streams for processing into petroleum products. In 2016, the majority (51%) of the 8.4 million barrels per day (b/d) of crude oil produced in the Lower 48 states was light oil, or less dense oil with an API gravity of 40.1 or above.

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