At present, the main energy sources of internal combustion engines are mainly gasoline and diesel, and engines using the two energy sources are also different.

1. Different ignition methods: gasoline engines use spark plugs to ignite the gas mixed with gasoline, while diesel engines use compression to bring the diesel mixture to the ignition point and make it self-ignite.
2. The material of the engine block is different: because the internal pressure of the diesel engine block is greater, the material used is thicker and heavier steel, so it is bulkier, and the cylinder block of the gasoline engine is made of a smaller aluminum alloy.
3. Different power: Diesel engines have greater torque and are more suitable for heavy loads, so they are often used in hard-core off-road vehicles or trucks and large passenger cars. The gasoline engine has a high speed and is suitable for running at high speeds, so it is widely used in family cars and sports cars.
4. Economic difference: When the diesel is ignited, the mixed gas of the entire cylinder has reached the ignition point, the combustion is more complete, and the work can be performed with the maximum capacity, so it is more economical and environmentally friendly.

The difference between the two is probably these, so there is still a big difference between engines that burn gasoline and diesel.

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