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Benefits of Electric Vehicles for the Health and Environment

Soumalya Bhattacharyya
Feb 16, 2023

A crucial need of contemporary living is transportation, yet the conventional combustion engine is gradually aging. Automakers are swiftly switching over to entirely electric vehicles in favor of extremely polluting gasoline and diesel vehicles. Fully electric vehicles (EVs) are significantly better for the environment since they emit no exhaust emissions. You may participate in the emerging revolution in electric vehicles.

It does take a lot of energy to make electric vehicles. Electric vehicles are still a greener choice even when the production of batteries is taken into consideration. This is due to the decrease in emissions produced during the car's lifetime.

An electric vehicle often produces more emissions than a regular car during manufacture. The production of lithium-ion batteries, a crucial component of an electric vehicle, is to blame for this. The energy consumed to produce the vehicle itself accounts for more than a third of an electric car's total lifetime CO2 emissions. This is changing for the better as technology progresses.

The market for battery reuse and recycling is also expanding. Reusing batteries in new technologies like power storage is the focus of research into the usage of used batteries. We could one day all have batteries in our houses that we can utilize to store energy. Such possibilities will lessen the overall environmental effect of battery manufacturing.

What are EVs?

Internal combustion engines (ICEs) used in conventional vehicles typically use fossil fuels like gasoline or diesel. One or more electric motors in EVs are powered by rechargeable lithium-ion batteries, which are also used to power computers and smartphones.

EVs also plug into external power sources to charge, much like electrical gadgets do. Other battery types rely on regenerative braking or electricity generation from the frictional energy of the vehicle to charge. In addition to being cleaner than internal combustion engines, lithium-ion batteries frequently perform better. Many have an 8–10 year guaranteed life span.

A network of charging stations provides EV batteries with access to electricity while driving, similar to stopping at a gas station. An EV's battery life determines how far it can go between charging points. Extreme weather and driving conditions can also reduce an EV's range since they require more energy to make up for it.

Since EVs run on electricity instead of fossil fuels, they could not contain all of the same parts as ICE cars. For instance, gasoline tanks, fuel lines, and exhaust pipes. As a result, the majority of EVs don't release carbon dioxide (CO2), which reduces air pollution.

Many businesses have started using electric vehicles (EVs) in their fleets as a result of rising fuel prices and a drive for greener initiatives. Known for their high fuel economy, EVs might be an affordable option to lower running costs. The average cost of power in the US is 10 cents per kilowatt-hour (kWh). An electric vehicle often costs less per mile than a gasoline-powered vehicle, at around 3 cents as opposed to 10 cents.

EVs are a more environmentally friendly option than gas or diesel vehicles in addition to having cheaper fuel expenses. They can lower a fleet's carbon gas emissions by getting rid of exhaust. This benefit aids companies in continuing to operate sustainably and in compliance with legal requirements.

ICE vehicles emit more than just emissions from their tailpipes when it comes to pollution. A significant quantity of air pollution is also produced during the oil extraction, fuel refinement, and transportation processes. The terms "well-to-wheel emissions" and "upstream emissions" are used to describe these emissions. Despite the fact that contemporary ICE manufacturers have reduced their CO2 emissions, the production process still has a detrimental effect on the environment.

Additionally, upstream emissions are produced during the fabrication of EV batteries. In actuality, EV manufacturing might be more environmentally damaging than ICE manufacturing. However, since their full life cycle is far more environmentally friendly overall, EVs continue to be the cleanest form of transportation.

Driving makes up for their greater manufacturing emissions as they utilize electricity as fuel. Over the course of its lifespan, an EV emits half as much carbon dioxide as a normal vehicle, far exceeding it in terms of sustainability.

Different types of EV:

Depending on how much they rely on electricity as a power source, EVs are divided into many sorts. There are now three primary categories for EVs.

Rechargeable batteries are used in battery electric vehicles (BEVs), which are entirely electric. BEVs sometimes referred to as "plug-in" EVs, get their electricity from an external electrical outlet for charging. They are electricity-only vehicles without a gas engine, fuel tank, or exhaust pipe.

Extended-range electric cars, also known as plug-in hybrid electric vehicles (PHEVs), are propelled in part by electricity and in part by gasoline. They are capable of regenerative braking and feature batteries that can be charged by an external outlet. In order to increase the vehicle's range and replenish the battery, PHEVs additionally employ a gas engine.

Both gasoline and electricity are used to power hybrid electric vehicles (HEVs). They are distinct from PHEVs in that they exclusively use regenerative braking to recharge their batteries. As driving, these EVs use their electric motor; but, when the load or speed increases, the electric motor is supported by the gasoline engine.

How are EVs better for health and the environment?

EVs are a significant development in sustainable mobility as a cleaner substitute. The top five ways EVs may help the environment are listed below.

How are EVs better for health and the environment?

EVs can produce zero tailpipe emissions:

A tailpipe is not necessary for fully electric vehicles because they don't create exhaust. Traditional engines use diesel or gasoline to provide energy but at the expense of emitting dangerous carbon emissions. The batteries used in EVs, however, are fully emission-free. The lithium-ion battery is the most popular type of battery used in EVs. These batteries are capable of being repeatedly discharged and recharged without causing air pollution.

Contribute fewer emissions than ICE vehicles

The energy used to charge EVs at many electric charging stations is renewable. But some still rely on coal-burning power plants and other environmentally unfriendly energy sources. Charging EVs can have a greater carbon impact in nations that mostly rely on coal, oil, or natural gas for energy.

Even yet, EVs still result in fewer emissions overall when they are fuelled by coal. China and other nations that rely heavily on coal have witnessed a 20% reduction in greenhouse gas emissions as a result of employing electric vehicles. Clean energy sources enable electric vehicles to be even greener in nations that depend even less on fossil fuels.

Clean battery production:

Even while EVs don't significantly increase roadside air pollution, careless battery production can have negative effects. During the battery manufacturing process, well-to-wheel emissions, which make up the majority of EV emissions, are produced. Because EVs are still a relatively new technology, the energy sources used to make batteries do not conform to industry standards, which increases the carbon footprint. But things are starting to change in this regard.

The carbon footprint of modern EV batteries is 2 to 3 times smaller than it was two years ago, and it is getting cleaner all the time. EV automakers are establishing standards for their battery suppliers. For instance, they mandate that suppliers exclusively utilize clean energy sources like solar and wind throughout production.

These resources can deliver the substantial energy required for the production of EV batteries without producing damaging pollutants. In fact, electric vehicle manufacturer Tesla intends to produce all of its batteries with renewable energy.

Lower CO2 Emissions:

After they are made, EVs do not contribute to air pollution, with the exception of the sparing use of coal-fueled charging stations. The battery manufacturing process is where the majority of emissions are generated. Thus, an EV's overall emissions may be assessed even before it is powered on for the first time.

On the other hand, ICE vehicles emit CO2 anytime their engines are running. A gasoline-powered passenger car typically emits 5 to 6 metric tonnes of CO2 annually. In just 6 to 18 months of operation, according to research by the Union of Concerned Scientists, ICE emissions surpass those of EVs from well to wheel. Emissions continue to be produced in significant amounts due to the millions of ICE cars on the road today. A renewable energy-powered electric vehicle, on the other hand, will always have a carbon footprint that is neutral.

EV manufacturers use eco-friendly materials

Making a useful, lightweight car is one of the biggest challenges facing EV producers. Greater range and a lower carbon footprint are benefits of lighter electric vehicles (EVs), but using conventional materials makes this challenging. Organic and recycled materials, however, are now on par with conventional materials. They are sturdy, lightweight, and environmentally friendly.

The framework of a car is presently not made of recycled materials, despite the fact that many traditional manufacturers utilize them for tiny components. Environmentally friendly materials are being used and improved by EV producers to create lighter, more effective vehicles.

Utilizing recycled and organic materials has environmental advantages in addition to weight savings. Utilizing new materials, such as metals and plastics, leads to pollution and is not sustainable. The environmental effect of the EV production process is reduced both during and after using only natural or recycled components.

Decrease in Noise Pollution

Nearly 46% of Australians claim that noise pollution has a negative influence on their quality of life. Not just the sounds that people hear on the streets contribute to noise pollution. In Victoria, more than 70% of people claim to be able to hear road noise from their houses.

Noise pollution affects more than simply individuals. Additionally, it's bad for the environment and people's health. A noise that is louder than 85 dB can seriously harm the human ear and lead to hearing loss. However, noise levels exceeding 65 decibels are adequate to elevate heart rate, blood pressure, and stress levels. The harm remains even after your body becomes used to the sounds of the road.

Electric vehicles, in comparison, are virtually quiet. The issue they have is the reverse. Many individuals worry that because there is no noise made by the cars, bikers and pedestrians must be much more alert to approaching traffic. There have been proposals that EVs should use unique signs to warn onlookers. Consequently, EVs may result in quieter and calmer streets, which will improve the urban environment.

Conclusion:

Worldwide, the vehicle manufacturing business has undergone a tremendous transformation. This transition from ICE dependency to EV dependence is included. Internal combustion engines are referred to as ICEs and battery-operated cars as EVs. This modification continues to be essential for achieving the critical goal of reducing greenhouse gas emissions.

By doing so, climate change's terrible repercussions can be avoided. The same goes for American automakers, who have a chance to expand. In the meantime, the US government contributed about USD 2.4 million to the growth of the domestic EV industry. Government grants served as the investment. Government initiatives boosted the sector and produced "green collar employment" to hasten the recovery of the American economy.

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Benefits of Electric Vehicles for the Health and Environment

What are EVs?

Different types of EV:

How are EVs better for health and the environment?

EVs can produce zero tailpipe emissions:

Contribute fewer emissions than ICE vehicles

Clean battery production:

Lower CO2 Emissions:

EV manufacturers use eco-friendly materials

Decrease in Noise Pollution

Conclusion:

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