Why do diesel engines make more noise than gasoline engines?
Why do diesel engines make more noise than gasoline engines? In the diesel engines, the fuel is injected into the already compressed air inside the cylinder. These types of engines are much noisier than the petrol ones because their mechanics work under higher pressure. There are a lot of small parts inside, such as metal caps, small valves and oil pipes, that create the noise. Is a gasoline engine less noisy than a diesel engine? Newer diesel engines But diesels are generally louder than gasoline engines. The reason for this is they have staged injection. This means that the fuel...