AI overview
Diesel fuel is a liquid fuel that powers diesel engines, which are commonly found in trucks, buses, and other heavy vehicles. It matters because diesel engines are fuel-efficient and widely used for transportation and industrial purposes, making diesel fuel an important energy source for modern economies.
AI-generated from the Wikipedia summary — may contain errors.
Article
A tank of diesel fuel on a truck
Diesel fuel, also called diesel oil, fuel oil (historically), or simply diesel, is any liquid fuel specifically designed for use in a diesel engine, a type of internal combustion engine in which fuel ignition takes place as a result of compression of the inlet air and then injection of fuel without a spark. Therefore, diesel fuel needs good compression ignition characteristics.