What kind of engines can be classified by fuel?

1. According to different power sources, automobile engines can be divided into diesel engine, gasoline engine, electric vehicle motor and hybrid power.

2. According to the working mode of the air intake system, it can be divided into four types: natural inhalation, turbocharging, mechanical supercharging and double supercharging.

3. According to the piston movement mode, it can be divided into two types: reciprocating piston internal combustion engine and rotary piston engine.

4. In-line engines, V-type engines, W-type engines and horizontally opposed engine are classified according to the arrangement of cylinders.

5. According to the number of cylinders, it can be divided into single-cylinder engine and multi-cylinder engine. Modern cars mostly use three-cylinder, four-cylinder, six-cylinder and eight-cylinder engines.

6. According to different cooling methods, it can be divided into water-cooled engine and air-cooled engine. Water-cooled engine is widely used in modern automobile engines because of its uniform cooling, reliable operation and good cooling effect.

7. According to the number of strokes, it can be divided into four-stroke internal combustion engines and two-stroke internal combustion engines. Four-stroke internal combustion engines are widely used in automobile engines.

8. Classification by fuel supply mode: carburetor engine, EFI engine and in-cylinder direct injection engine.

I hope my answer can help you. Thank you.