käyttövoimalähde
Käyttövoimalähde is a Finnish term that translates to "propulsion source" or "power source" in English. It refers to the component or system responsible for generating the energy needed to move a vehicle or machine. This can encompass a wide range of technologies, from traditional internal combustion engines to electric motors and hybrid systems.
In the context of vehicles, a käyttövoimalähde could be a gasoline engine, a diesel engine, an electric
Beyond road vehicles, the concept of käyttövoimalähde applies to many other forms of transportation and machinery.