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The "personality showdown" between diesel engines and gasoline engines: Who is the king of power?

• Combustion method:

• Diesel engines: By compressing air with a piston, they cause diesel to ignite spontaneously, even eliminating the need for an ignition system.
• Gasoline engines: Relying on spark plugs for ignition, they are sensitive to timing—even a tiny difference (measured in milliseconds) can significantly affect performance.

• Fuel features:

• Diesel: It has high energy density but low volatility, with a relatively high flash point; however, it still requires careful storage.
• Gasoline: It ignites easily but has a slightly lower energy density.

• Power performance:

• Diesel engines: They are low-speed "Hercules" with high torque but a low speed limit (capped at 3000-5000rpm).
• Gasoline engines: They are high-speed "Flash", easily reaching speeds over 10,000rpm, but with lower torque limits.

• Working Pressure:

• Diesel engines: Their combustion pressure ranges from 160-200bar, with high heat load—and they are durable!
• Gasoline engines: They have mild pressure (60-100 bar) and low heat load.

• Emission characteristics:

• Diesel engines: They emit black smoke (particulate matter, PM) and nitrogen oxides (NOx).
• Gasoline engines: They emit HC and CO but produce much less particulate matter.