How did kerosene change life in America?

Explanation:

Settlers used oil as an illuminant for medicine, and as grease for wagons and tools. Rock oil distilled from shale became available as kerosene even before the Industrial Revolution began. While traveling in Austria, John Austin, a New York merchant, observed an effective, cheap oil lamp and made a model that upgraded kerosene lamps. Soon the U.S. rock oil industry boomed as whale oil increased in price owing to the growing scarcity of that mammal. Samuel Downer, Jr., an early entrepreneur, patented “Kerosene” as a trade name in 1859 and licensed its usage. As oil production and refining increased, prices collapsed, which became characteristic of the industry.

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