What is a Diesel Engine and How Does It Work?
Diesel engines have powered vehicles, ships, and machinery for over a century — and they remain a cornerstone of the automotive world today. Known for their durability, fuel efficiency, and torque, diesel engines are especially popular across the UK in vans, trucks, and heavy-duty vehicles. But what exactly is a diesel engine, and how does it work? In this guide, we’ll break it down in simple terms while keeping the technical accuracy intact. What is a Diesel Engine? A diesel engine is an internal combustion engine that runs on compression ignition . Instead of relying on spark plugs (like petrol engines), diesel engines compress air to extremely high pressure and temperature. When diesel fuel is injected into this compressed air, it ignites spontaneously, producing the energy needed to power the vehicle. This unique process makes diesel engines more robust, efficient, and long-lasting , especially in vehicles that need high pulling power. How Does a Diesel Engine Work? The w...