Electric Cars Essay

1778 Words8 Pages
Electric Cars General Purpose: To inform Specific Purpose: To inform the audience about the past, present, and future of electric cars. Thesis Statement: An electric car is an automobile that is propelled by one or more electric motors, using electrical energy stored in rechargeable batteries. It is charged by plugging it into an electrical power socket. Introduction: Attention getter: On September 5, 2013, Elon Musk, founder of Tesla Motors, announced he would drive from Los Angeles to New York in his company’s flagship electric car, the Model S sedan. This means that instead of stopping for gas, Musk would be halting at strategically located Tesla Supercharger stations to recharge his car’s batteries (and perhaps grab a bite or two). The nine-day trip isn’t just a demonstration of Tesla’s technology; it is an attempt to prove that electric vehicles have matured enough to undertake the most American of endeavors. - Video clip: https://www.youtube.com/watch?v=RqVWGLEwyyo (00:30 seconds) Preview: Today, I will be talking about (1) the history of electric cars and how they work, (2) what have electric cars become today, and then (3) what can electric cars potentially become in the future. Transition: Before we can understand and discover what an electric car truly is, we have to know how it works and the first steps that the electric car took, which goes back over a hundred year from now. So let's travel back in time and explore through the electric car's history Body I. The Electric car's history A. How the electric car works The heart of an electric car is the combination of: -The electric motor - Potentiometer -The motor's controller -The batteries The controller takes power from the batteries and delivers it to the motor. The accelerator pedal hooks to a pair of potentiometers

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