NA engines, namely Naturally, Aspirated, Engine/Normally, Aspirated, naturally aspirated engines. Natural gas absorption is a form of automobile intake. It is a form of atmospheric pressure that enters air into the combustion chamber without any supercharger.
The internal combustion engine can be divided into a naturally aspirated (non supercharged) engine and a forced intake (supercharged) engine in accordance with whether the intake system adopts a pressurization mode. The gasoline engine often adopts natural suction; the diesel engine adopts supercharged type to increase power.
