Definition: Subcarburetted is a type of diesel engine that uses a carbureted system to improve fuel efficiency and reduce emissions. It consists of two cylinders, one for each cylinder of the engine, with one of the cylinders being equipped with an ignition coil. The other cylinder is typically called the "carburetor" or "stirling." This system allows the carburetor to heat the air in the combustion chamber by burning fuel, thereby increasing the amount of oxygen available to the