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Photo 2/3 | Deutz First Atmospheric Gas Engine | N.A. Otto & Cie. was the first company to factory-build engines, starting with the “Atmospharische Gaskraftmaschine” (atmospheric gas-powered engine) that was used all over the world. The stationary unit operated with a single vertical piston connected to a rack-and-pinion that spun a rotary wheel, which could be used to power all sorts of equipment. It weighed in at 1,543 pounds and created ½ hp (which later increased to 3 hp) while consuming only 30 percent as much fuel as the competition’s design. In addition to Otto, other notable employees of the company that is now Deutz included Robert Bosch, Ettore Bugatti, Gottlieb Daimler, Rudolf Diesel, Eugen Langen, Wilhelm Maybach, and Prosper L’Orange.