dieselmoottorisia

Dieselmoottorisia refers to vehicles or machinery powered by a diesel engine. A diesel engine is a type of internal combustion engine that uses the heat of compression to ignite the fuel, rather than a spark plug as in a gasoline engine. Rudolf Diesel invented the engine in the late 19th century.

Diesel engines are known for their high torque and fuel efficiency, making them suitable for heavy-duty applications such as trucks, buses, trains, ships, and agricultural equipment. They are also commonly found in generators and industrial machinery. In the automotive sector, diesel engines were once popular in passenger cars due to their fuel economy and durability, though their popularity has waned in some regions due to emissions regulations and changing consumer preferences.

The combustion process in a diesel engine involves drawing air into the cylinder, compressing it to a high temperature, and then injecting diesel fuel. The high temperature of the compressed air causes the fuel to ignite spontaneously. This process generally results in higher compression ratios compared to gasoline engines.

Modern diesel engines often incorporate advanced emission control systems, such as diesel particulate filters (DPFs) and selective catalytic reduction (SCR) systems, to reduce harmful pollutants like nitrogen oxides (NOx) and particulate matter. These technologies have helped to make diesel vehicles cleaner and more environmentally friendly. Despite these advancements, the inherent properties of diesel combustion mean that emissions remain a key focus in their development and regulation.