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The Pros of Diesel Engines

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Anonymous

14y ago
Updated: 11/10/2020

Car engines come in two broad categories, both named after the type of fuel they consume: gasoline and diesel. In turn, the design of each engine is named after their inventors: Nikolaus Otto invented the Otto cycle for gasoline engines, and Rudolf Diesel invented the Diesel cycle for diesel engines. Diesel created his engine after learning about the engine created by Otto at the Polytechnic High School, the equivalent of an engineering college.

Gasoline engines are less efficient than diesel, but diesel has a reputation for being dirtier than gasoline, so gasoline is the engine of choice for most domestic automobile manufacturers. Despite the fact that they are both internal combustion engines, the disadvantages of diesel has in the past far outweighed the advantages. Fortunately, improvements in design have made diesel more attractive, and diesel today is a serious alternative to the predominant gasoline engine.

Major car makers like Mercedes-Benz incorporated diesel engines into their designs in the past, but today the diesel engine is starting to make credible inroads with other companies. The main advantage of a diesel engine is it's high fuel economy. The fuel economy of a diesel-powered truck or car is about twenty to thirty percent better than gasoline-powered vehicles. In times of high fuel prices, this can prove a big enough advantage to choose diesel by itself.

Other advantages include less maintenance costs, due to the absence of spark plugs. The Diesel cycle uses the intense compression of fuel and air to ignite and combust the mixture. The reason this works is because of the high energy density of diesel fuel. The high energy density combined with the increased mechanical efficiency explains why diesel engines achieve such incredible fuel efficiency.

Added advantages include improvements such as less noise, less soot and less cost. Today, the noise produced from a diesel engine and a gasoline engine are so close they are almost indistinguishable. Owners of diesel engines tend to fall in love and spread the word about how efficient and clean their cars are.

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11y ago

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