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Stream Vehicles
Nicholas Cugnot used a stream engine to power his vehicle. The steam engine and boiler were separate from the rest of the vehicle and placed in the front. -
Gas engine
Nicolaus Otto invented an effective gas motor engine (the first alternative to the steam engine). He built the first practical four-stroke internal combustion engine called the "Otto Cycle Engine," and when he completed his engine, he built it into a motorcycle. -
First practical automobile powered by an internal-combustion engine.
Karl Benz built the world's first practical automobile powered by an internal-combustion engine. -
Modern gas engine.
Gottlieb Daimler took Nicolaus Otto's internal combustion engine a step further and patented the prototype of the modern gas engine.