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How did Gottlieb Daimler and Wilhelm Maybach make gasoline practical as an engine fuel?

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Labeled cross-sectional diagram of a V-type gasoline engine for an automobile, showing internal components such as pistons, crankshaft, camshaft, intake and exhaust valves, connecting rods, spark plugs, and intake manifold. — gasoline engine Cross section of a V-type engine.

Gottlieb Daimler and Wilhelm Maybach made gasoline a practical engine fuel primarily by developing a specialized carburetor that allowed the fuel to be effectively utilized within an internal-combustion engine.12

Building on their experience at the firm of Nikolaus A. Otto, the pair established their own shop in 1882 to pursue the potential of high-speed engines. In 1885, they patented a relatively light, high-speed four-stroke engine capable of running at 900 revolutions per minute, a significant improvement in speed over contemporary designs. By integrating their efficient engine design with their innovative carburetor, they successfully transitioned gasoline from a theoretical possibility to a reliable power source for transportation, demonstrating its utility on a motorcycle in 1885 and a four-wheeled carriage in 1886.2341