Diesel fuel

Diesel fuel is a long molecule composed of carbon hydrogen chains (hydrogen atoms and carbon atoms) extracted from crude oil. The hydrocarbon chains that make up diesel fuel are longer than those that make up gasoline. This is what makes diesel fuel and gasoline different.
Since diesel engines have higher compression ratios, the air inside cylinders can be heated to the ignition temperature of diesel fuel. Therefore, diesel engines do not require ignition systems.
Furthermore, unlike diesel fuel, gasoline generates a flammable air-fuel mixture that is easy to ignite even at low temperatures. Therefore, diesel fuel is safer than gasoline.
Additionally, diesel fuel produces more heat by volume than gasoline. Thus, diesel engines are more fuel efficient than gasoline engines at the same output.

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