The invention of the internal combustion engine in the late 19th century altered the course of civilization, profoundly transforming transportation, industry, and everyday life. Various fuels were tested in the early days, but gasoline showed itself to be the best choice. For decades, it was viewed as pretty much the only choice, even though a German inventor named Rudolf Diesel had developed a more efficient alternative engine in the 1890s. The adoption of diesel engines only began to accelerate
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