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What Are The Differences Between Electrical Cars And Petrol/Diesel Fueled Around The World? How Can Everyday Life In A City Be Affected By These?

1803 words - 7 pages

Cars have two opposite personalities. One is friendly and attractive; the other is destructive and can be lethal. The question is if there can be a car which only has a positive side. In this essay I will explain how pollution can be fought without the use of rules and regulations, but with the only use of science; in a local and international scale.Milan is considered the most polluted city in Europe. Various attempts to stop this happening have been in action for the last few years. It started from the ‘no car Sunday’ to the introduction of mopeds for the police force. The last idea brought up by Milan’s Mayor is the ‘Ecopass’, which restricts circulation to euro3 and euro4 vehicles in Milan’s centre. All of these initiatives have, in some way, failed. Talking about the Ecopass, for example; the aim of this regulation was to reduce particulates from the air we breathe. Recent surveys from more than one source have proved that very little has changed in Milan. For this reason, probably the only tangible way of reducing Milan’s particulates would be with the use of science. Science and technology are most of the time linked with electricity, which is the topic I will use. So the question is: what could be the ‘electric’ solution to pollution? Is it the electric car? To know if this is the best alternative we must first know how this car works and what are its differences from petrol fuelled cars.An electric car is identical to a standard car in aspect. The big difference is that it is powered by an electric motor rather than a petrol engine. Under the hood, one can clearly notice the differences. What you immediately notice is the controller: a 50 thousand watts device that sends power from the batteries to the car’s electric motor. When the gas pedal is pushed, no gas is involved at all. The pedal controls two variable resistors which when moved, change the amount of electrical current sent to the controller. Under the car’s floor there are approximately 50 lead-acid batteries depending on the car. By turning the car’s key, the batteries and the controller connect, completing the circuit. Other components include a small electric water heater and a vacuum pump for the breaks. But what are the differences between this fascinating modern car and the petrol car?Clearly, the biggest difference between these two cars is that one uses up petrol or diesel whilst the other one uses electricity. Nevertheless, these two cars have other huge differences regarding other issues rather than the motor which are sometimes passed unnoticed. Talking about the petrol car, these give off particles of CO2 into the air which are one of the major causes of pollution today. For example a ‘Ford Focus’ car running on petrol fuel lets off 160 grams for every kilometre ran. But the electric car too has its negative aspects: people always ask themselves why the electric car has not beaten petrol cars in...

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