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Chemical energy is converted into thermal energy through the combustion of liquid or gaseous fuel

Whether in automobiles, aircraft, or ships, the engine serves as the indispensable "heart" of the vehicle, providing the necessary propulsive force.

Diesel engine maintenance involves several aspects, such as regularly changing the engine oil and the "three filters" (air, fuel, and oil filters), maintaining systems like the cooling and fuel sys...

Diesel engines possess relatively high thermal efficiency, meaning they convert fuel into mechanical energy more effectively, thereby delivering greater power output.

According to the national standard (GB252-87), light diesel fuel is classified into six grades—10, 0, -10, -20, -35, and -50—based on their pour points.

Diesel engines offer the advantages of high torque and excellent fuel economy.

To extend the service life of a gasoline engine, one must adopt a systematic maintenance approach that combines proper usage habits with regular servicing:

Due to its low viscosity and rapid evaporation, gasoline can form a homogeneous mixture with air outside the cylinder