Why diesel engine used in heavy vahical like bus, truck and petrol engine.

Question

Accepted Answer

Diesel engines are used in heavy vehicles like buses and trucks due to their high torque and fuel efficiency compared to petrol engines.

Diesel engines have higher torque output, making them suitable for heavy loads and uphill driving.
Diesel fuel has a higher energy density than petrol, resulting in better fuel efficiency.
Diesel engines are more durable and have a longer lifespan compared to petrol engines.
Diesel engines produce less carbon dioxide emissions than petrol engines.
Examples of heavy vehicles using diesel engines include buses, trucks, and locomotives.

Accepted Answer

Diesel engine

Accepted Answer

Because diesel engine is powerful and it can achieve higher torque at lower speeds.This is the most recommended requirement in any heavy vehicle