Do commercial trucks use diesel because it is more efficient?



  1. 0 Votes

    Diesel engines do indeed have higher efficiency than gasoline engines. There are other advantages as well. They are especially efficient when running on low power or idling. Carbon monoxide emissions are smaller. They also don’t need an electrical spark system to ignite the fuel. Diesel engines also have longer lifetimes and higher reliability. Trucks and other towing applications particularly benefit from high torques at low speeds. That makes it easier to start moving when loaded and move heavier loads at low speeds. This is a disadvantage for passenger cars. Other drawbacks include heavier engines, diesel particulate matter emissions (soot) that require special filters, and clattering noise (especially in older engines).

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