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How did Adolphus Busch help introduce diesel engines in the United States and Canada?

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diesel engine and precombustion chamber — diesel engine Diesel engine equipped with a precombustion chamber.

Adolphus Busch played a pivotal role in introducing diesel engines to North America after encountering the technology at an exposition in Munich. Recognizing its potential, he purchased a license from the inventor, Rudolf Diesel, to manufacture and sell the engines in the United States and Canada.1

Following this acquisition, Busch installed the first commercial diesel engine built on Diesel’s patents in St. Louis, Missouri. This engine operated successfully for many years and served as the forerunner to the Busch-Sulzer engine, which later powered numerous U.S. Navy submarines during World War I.1