It is generally believed that the automobile was invented by German engineer Karl Benz.
In 1866, German engineer Otto successfully developed the "piston four-stroke Otto internal combustion engine" which was of epoch-making significance in the history of power. This solved the most critical technical problem for the invention of the automobile and laid the foundation for the birth of the automobile. a solid foundation.
In 1885, he made the first Benz patented motor vehicle: it was a three-wheeled vehicle that used a two-stroke single-cylinder 0.9 horsepower gasoline engine. This car has some basic features of modern cars: spark ignition, water cooling cycle, steel tube frame, leaf spring suspension, rear-wheel drive, front-wheel steering and brake handle, etc. In November 1886, Karl Benz received a patent for his three-wheeled motor vehicle. This is recognized as the world's first modern car, so people generally regard 1886 as the first year of the car.
In the following more than 100 years, the automobile industry has developed tremendously and made great progress. From the earliest steam cars, to internal combustion cars, and then to electric cars, modern cars have become a High-tech polymer.