The use of electricity and magnetism in transportation

Topics: Magnetic field, Electromagnetism, Magnetism Pages: 3 (1524 words) Published: October 26, 2014

Kevin Williams
Project 1
The use of electricity and magnetism in transportation
When Benjamin Franklin discovered electricity, it was probably one of the biggest discoveries known to mankind. Even though our dependence of electricity is a lot, however at the same time it’s easy to forget how dependent we actually are on it. Electricity always has and always will play a huge part in our everyday life. It’s hard to imagine humanity without it. When it comes to transportation, it is going to rewrite the history books. In the future, one of the most important issues in transportation is to reduce emissions. Also the goal is to reduce the amount of people that is driving in individual vehicles. One of the major sticking points is that we are using our fossil fuels in a bad manner and also the harmful gasses that are released during the combustion of these fuels in our vehicles. Energy experts and historians of energy agree that as societies advance, they need more and more concentrated, intense forms of energy, like rocket fuel instead of gasoline. Leading the way of electric use is cars. I expect cars to use about 50% electricity in the future. Electric cars today use the energy stored in a battery (or series of batteries) for vehicle propulsion. There are many pros and cons about electric cars. Electric vehicles have a reputation for having faster acceleration but shorter distance range than regular engines. They produce no exhaust whatsoever but will always require long charging times. Electric vehicle batteries differ from quite a few different batteries such as starting, lighting, and ignition (SLI) batteries. The reason for this is because they are supposed to give power during a large amount of time. Because of this, deep cycle batteries are used instead of SLI batteries for these applications. Most current battery technologies have much lower specific energy; and this often impacts the maximum all-electric range of the vehicles. However, metal-air...

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