Essay about Automobiles, Efficiency, And The Environment

812 Words Jun 3rd, 2015 4 Pages
Automobiles, Efficiency, and the Environment Developed in 1884 by Karl Friedrich Benz, the gasoline-powered automobile is perhaps one of the most essential inventions in history (Cheng). This invention allowed people to travel faster, longer, and more often, which helped our world begin developing into the global economy that it now is. Today, one of the biggest concerns when it comes to the environment and economy is the use of automobiles and the fuels that they burn. With the rise of gas prices, new fuel efficiency standards, and the ever-present concern of global warming and its’ effect on the planet, automobile efficiency, it seems, is more important than ever.
A lot of energy goes into making a car run. First, the electrical energy from the battery causes the alternator to produce a spark. The thermal energy from the spark releases the chemical energy in the fuel from the gas tank and then that is converted into kinetic energy through combustion. This is why, ultimately, cars need fuel to run; this fuel kick starts the rest of the energy conversions that the car will go through. The kinetic energy that your gas was converted to in its expansion will be turned into linear piston movement that will convert into rotary crankshaft movement. This crankshaft movement is what passes through a transmission and then in and out of differential to use the engine’s power to make the wheels turn. The wheels turning converts back to linear motion to propel the car, giving a…

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