Why Electric Cars Don’t Have Exhausts? (Explanation)

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Exhaust systems, nowadays, are used everywhere to emit excessive air or any harmful gases. When it comes to the car exhaust system, it is a considerable issue. Almost all traditional cars have exhausts to eradicate toxic air. But do electric cars have exhausts like traditional engine-based cars?

The simple answer is no, electric cars have no exhaust system. This is because their internal structure and mechanism are different from other traditional cars. They perform differently and they produce less toxic air.

In addition, Electric cars run with a Lithium-ion battery and an electric motor. To know the ins and outs of the electric vehicle (EV), keep reading.

What Is An Electric Car?

An electric car is the most dashing and modern car right now. Unlike traditional petroleum or gasoline-based cars, an electric car has no engine. It runs with an electric motor which runs while charging the battery.

Fortunately, the good news is electric cars are environmentally friendly and produce less toxic by-products. Another key point is these types of cars have unique and uttering technology.

With the fastest accelerating ability and advanced features, they are now highly demandable cars in the aftermarket.

Moreover, they are totally noise-free, pollution-free, and high-performing cars. EVs function quite differently when compared to engine-based cars or vehicles. The working mechanism of an EV is also separate and mind-blowing.

Below is a short description of a battery-electric car’s key components and parts.

Rechargeable Battery

The battery is the mandatory and general part of all EVs. The main duty of a battery is to store electrical energy to provide electricity. Providing electricity helps to run the car smoothly all the way.

Usually, in the electric car, they use a Lithium-ion battery. Because this type of battery has a standard amount of energy density to run a car consistently.

Electric Induction Motor

This is the second most crucial part of a battery car. The induction motor is divided into two major parts: the stator and the rotor. The stator produces a four-pole magnet field. The rotating magnetic field (RMF) persuades current on the rotor bars. Electric cars use an AC motor.

An Onboard Charger (OBC)

It helps to convert AC current to DC current whenever it needs to change. The main task of this unit is to take the AC current which comes via the charger port. And then converts this electricity to DC power for charging.


It helps to reduce the motor’s torque and RPM to produce a standard amount of force. Also, it handles the problem when the excess current comes from the battery and creates an extra magnetic field.

The electric power control unit

This unit consists of three mind-blowing parts. They are inverters, AC and DC converters, and the car’s control unit. At present, they are holding the first position and improving their features day by day. Take a look at three main points:

  1. Inverter

The inverter helps to flow the current from DC to AC. Most modern cars like Tesla use Alternating current to run. So the inverter works to convert the direct current into the alternating current.

  1. Low Voltage Converter

When your car produces high-voltage electricity, it converts the high-voltage battery into low voltage. And distribute the current in the various electronic systems.

  1. Vehicle Control Unit

This unit controls all the internal components like the motor, brake, AC load management, and power supply system.

Charger Port

All-electric cars have a charger port through which the battery can be charged.  Different models of cars have different types of ports. Unlike Tesla, most electric cars use the SAE J1772 connector.

There are two levels of charging. Level 1, has a 120V capacity for charging and level 2 has double the capacity.

Cooling System

It is also called a thermal system. The true and foremost duty of this is to keep the motor cool. This way EV runs hassle-free even in shiny and sunny conditions.

See also: Black Soot In Exhaust Tailpipe “Why?” Explanation

Why Electric Cars Don’t Have An Exhaust System

Electric cars don’t need any exhaust system as it is a motor-based unit. The power comes to the battery and supplies it to the electric motor. Here are some reasons why electric cars don’t feature any exhaust.

Don’t have a conventional engine

BEVs have an electric motor instead of a traditional combustion engine. Since there is no engine, there is no need to add gas or gasoline. As a result, it does not produce any harmful gases that need to be emitted.

It generates force only with the help of a magnetic field and generates an electric field.

Run with a lithium-ion battery

Most electric cars are powered by lithium-ion batteries.  It is also very safe and produces energy seamlessly.  Also, it is able to hold a charge for a long time.  Moreover, it contains less acid which is good for the environment.

No Gas Needed And Emits Less Fuel

Since this type of car has a motor and a battery, no gas is required to insert it. And there is no piston in it. In this case, it does not contain any untreated gas which needs to be removed from the exhaust pipes.

Luckily, it emits less fuel when running. It’s because it contains no gas inside and there is no gas tank as well.

Runs On Electricity

To run this modern car, you should charge the battery when the charge is empty or less than 50%. In this case, to recharge your battery, electricity is needed. So it is said, that battery-based cars need electricity to run, not fuel.

Don’t produce any harmful substances

Most importantly, it does not emit any harmful or unhealthy substances. Because it does not have the so-called fuel-powered engine. And as a result, he doesn’t even need to get all the gas out.

So it does not require exhaust. However, in some cases, you can install the exhaust system if you want.

Final Thoughts

Electric cars are designed to make the environment free from harmful gases. However, if you are confused about whether or not electric cars have exhaust systems. As electric cars don’t emit any toxic gases and haven’t any combustion engines, they don’t need exhausts.

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