Heart of a vehicle

 When you think about what makes a car move, the engine is the first thing that comes to mind. It's often called the "heart" of the car — and for a good reason. Without it, the car wouldn’t go anywhere. But how does a car engine actually work? Let’s break it down.



What is a Car Engine?


A car engine is a machine that converts fuel into motion. It burns fuel (like petrol or diesel) and uses that energy to turn the wheels. Most cars on the road today use internal combustion engines (ICE), although electric engines are growing in popularity.



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How Does a Petrol or Diesel Engine Work?


Most engines work on a 4-stroke cycle:


1. Intake: The engine takes in air and fuel.



2. Compression: The piston compresses the mixture.



3. Power: A spark ignites the fuel, causing an explosion that pushes the piston down.



4. Exhaust: The engine releases the burnt gases.




This process happens very fast — thousands of times per minute — which is why engines sound the way they do.



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Types of Car Engines


Inline Engine: Cylinders are arranged in a straight line. Common in small and mid-size cars.


V Engine (V6, V8): Cylinders are arranged in a “V” shape. Found in more powerful cars.


Boxer Engine: Cylinders lie flat and move like boxing gloves. Used by brands like Subaru and Porsche.


Electric Motor: Uses electricity instead of fuel. Silent, fast, and eco-friendly.




Engine Sizes and Power


Car engines are often measured in liters (like 1.2L or 2.0L). Bigger engines usually mean more power, but they may also use more fuel. Horsepower (HP) and torque are used to measure how strong and fast an engine is.



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The Future of Engines


With growing concern for the environment, many car companies are moving towards hybrid and electric engines. These use less fuel or no fuel at all and help reduce pollution.



Conclusion


The car engine is a brilliant piece of engineering that turns energy into motion. Whether it’s a roaring V8 or a silent electric motor, the engine is what brings your car to life. Understanding how it works can help you take better care 

of your vehicle — and appreciate the science behind every drive.


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