Mechanics of the Eco-friendly Electric Cars

Mechanics of the Eco-friendly Electric Cars

Mechanics of the Eco-friendly Electric Cars


Electric cars are automobiles powered by torque from powerful electric motors. Battery banks in the car energize the motors but they require regular charging. Cars with both electric motors and internal combustion engines as prime movers are referred to as hybrid cars. Hybrid cars are advantageous than both electric and conventional vehicles because of fuel and kinetic energy conservation. Electric cars have been developed in order to reduce air pollution through greenhouse emissions and over dependence on diminishing fossil fuels. These cars are eco-friendly because they do not release harmful emissions to the environment. This is a paper on the mechanism of electric cars and their benefits to the environment.

  1. Transmission system in electric cars

Most electric cars have an electric motor and an internal combustion engine. With this technology, the transmission system of the car is greatly enhanced to reduce the emission of toxic gases to the environment. The electric motor and the engine combination prevent the loss of energy while the car is in motion or when the car stops. Most fuel-powered cars lose a lot of energy when they stop because the braking system converts the kinetic energy into heat energy.

Chau, Chan, and Liu [1] intimate that the electric motor and the engine ensure that the kinetic energy is converted to electric energy to recharge the car batteries. Although energy is still lost to the environment, it only happens at a lower percentage compared with what happens while using the fuel-powered cars. The electric motor is desirable because it rotates at very high speed compared to other kinds of motors. The motor is also fitted with a power inverter which converts the DC current to AC current therefore saving a lot of electric power.


  1. The chassis of an electric car

The electric car design has replaced the use of cables used in ordinary cars for electrical wiring. Available metalwork in the car body is used for electrical transmissions. This has led to the reduction in the weight of the car and the corrosion prone metal parts. Also, the chances of the car breaking down are very minimal.

A robust chassis means that the car is stable and not prone to toppling. The reduction in the number of cables used in the car ensures that the environment is safe from the resulting positive charging [2]. The less copper cabling needed means that there will be less environment polluting and expensive copper extraction activities undertaken [3]. Use of the existing metal structure for electrical conduction reduces the cost of maintaining the car because the cables fail regularly due to vibrations and shocks.

  1. The cabin heating and cooling

As part of heating management, the car is designed to avoid radiation by a higher margin compared to other conventional vehicles. The heat from the environment absorbed by the car body is conducted into the car and is cooled by a condenser before it is released to the environment. Electric cars have a heat pump which helps in heat management in the car and outside the car. There is an evaporator located inside the cabin while the condenser sits on the outer part of the car.

According to Brandenburg and King [4], electric cars release much less heat that conventional internal combustion engines cars which requires robust cooling systems. Electric cars are further advantageous in that the heat released is recycled and used to recharge batteries which reduce dependence of electric power supply.


  1. Regenerative braking

Regenerative braking conserves energy in the car through by supplying regenerated energy for battery charging. If the energy was never re-used in the batteries it would have been released into the environment [5]. The energy released into the environment as heat would lead to a less efficient car model as recharging would be necessitated regularly. This is dangerous to the environment as more environment polluting energy generation activities would take place.

When the vehicle is in motion, there is a lot kinetic energy that is in operation. Much of this energy is needed by the car for the locomotion. Instead of the energy being lost when the brake pedal applied, it is stored in the electric motor and later transferred to the batteries for charging [6]. As a result, the car does not lose or release heat to the outer environment. This is a way of conserving the environment in which we live in.


Although it is argued that electric cars have very little positive results, the benefits accrued through their use can be enormously cumulatively in the long run. Using electrified vehicles means that the emission of carbon dioxide and other toxic gases into the environment is greatly reduced. This will save the planet from the scourge of global warming and environmental contamination.

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