What is the difference between petrol engine and diesel engine

Question

Accepted Answer

Petrol engines use spark ignition, while diesel engines use compression ignition.

Petrol engines use spark plugs to ignite the fuel-air mixture, while diesel engines rely on compression to ignite the fuel.
Petrol engines generally have higher RPM (revolutions per minute) compared to diesel engines.
Diesel engines are more fuel-efficient than petrol engines.
Petrol engines are typically lighter and quieter than diesel engines.
Petrol engines are commonly used in cars, motorcycles, and small vehicles, while diesel engines are often found in trucks, buses, and heavy machinery.

Accepted Answer

The primary difference (as most of you already know), is that petrol engines use spark plugs to ignite the air-fuel mixture, while diesel engines rely on heavily compressed air without any spark plugs.

What is the difference between petrol engine and diesel engine

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