Electric vehicles: debunking the myths – Energy Saving Trust

Woman with dog about to plug in her electric car

by Heather Quinn and Ceit Skinner

If you are considering going green with an electric vehicle, you are likely to have heard all the urban myths. Electric vehicle technology has quickly developed in recent times yet limits of early technology are still named as issues today. Here, at Energy Saving Trust, we want to set the record straight.

We’ve unpicked five common misconceptions to help start your electric journey.

Myth 1: Electric vehicles are ‘dirty’ producing as many carbon dioxide emissions as a petrol or diesel vehicle

Fact: By considering ‘well to wheel’ emissions, we can see the bigger picture.


We calculate well to wheel petrol or diesel vehicle emissions by taking into account the emissions associated with extracting and refining the fuel, transporting to your local fuelling station and finally being burnt within your fuel tank on the road. To allow comparison between your petrol or diesel vehicle and an electric vehicle, we also consider the emissions associated with electricity generation and the conversion to miles within the vehicle.

Let’s look at some figures from a 2017 UK Government study. Well to wheel petrol vehicles produce the highest carbon dioxide emissions at 211g per kilometre, while diesel vehicles emitted 179g. Comparing this to an electric vehicle it was found just 73g of carbon dioxide emissions per kilometre were produced.

Still not convinced? In the UK our electricity supply consists of a number of renewable electricity sources, last year the UK grid saw a 7% increase in renewable electricity. We can expect to see the amount of renewable-generated electricity increase in future, meaning electric vehicles will continue to become less carbon intensive.

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Myth 2: Electric vehicles are not suited to long journeys

Fact: Pure electric vehicles have an average range of 150 miles, with many models able to go much further on a single charge.

fuel gauge on an electric vehicle

If range is important to you, choose an appropriate electric vehicle to meet your needs.

It’s worth bearing in mind that 68% of journeys we make each year are under five miles. But if you want to travel further – you can.

Still concerned you’ll run out of battery? There are plenty of efficient driving tricks to help squeeze more miles out of a charge.

  • Anticipate the road ahead to ease off your brakes and make the most of regenerative braking recharging your battery as you slow down.
  • Avoid unnecessary high speeds – take it steady and drive the speed limit.
  • Don’t weigh the car down – we’ve all been guilty of lugging items around in the boot unnecessarily!

You can check out more tips on extending your range in our helpful guide.

Remember it is important to take regular breaks on long journeys, take advantage of the break to top up your battery at a public charge point.

Myth 3: There are not enough public charge points

Fact: You can find over 11,000 charge points between the Shetland Islands and Jersey.

row of chargepoints on a residential street

Charge points are less noticeable than petrol stations but you may have seen them pop up in local carparks; the UK is now home to a well-connected public charge point network. 

While your current petrol or diesel car may be quicker to refuel, you can take advantage of the charging time to shop, enjoy a meal or explore the local area – you can often find charge points at tourist attractions. If you have off-street parking you can install your very own charge point at home.

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Plan ahead on long journeys if you need to top up charge, look for chargers in interesting places and check availability using a charge point map such as Zap-Map or Charge Place Scotland to avoid waiting.

Myth 4: The grid cannot support an increase in electric vehicle charging

Fact: Estimates show that if we all switched our petrol or diesel vehicles to electric overnight, we would experience only a 10% increase in demand, fitting comfortably within the grid’s capacity.

electric car charging on the street

You may be surprised but our peak time electrical demand is now 16% less than 18 years ago. Our phones, computers even washing machines have become increasingly energy efficient, reducing demand on the grid. 

This is not to say there would be no issues with an overnight transition, forecasting demand time fluctuations would be difficult. But luckily the growth in electric vehicle adoption is steady, allowing time for the National Grid to understand charging patterns and plan ahead.

Myth 5: Electric vehicle batteries are wasteful and can’t be recycled

Fact: Developments in battery component extraction mean processing centres can extract 98% of battery materials for recycling or reuse.

Electric car battery

You may have come across arguments that electric vehicle batteries either can’t be recycled or are difficult to recycle and ultimately end up in landfill. This simply isn’t true.

Electric vehicle batteries can either be recycled at processing centres or some companies can remove electric vehicle batteries from the vehicle shell and put them to use in your home or sell them on for commercial use. If you have solar panels, an electric vehicle battery can be repurposed to store the electricity they generate, helping keep your electricity costs down.

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Electric vehicle batteries that aren’t repurposed for energy storage, are currently shipped to EU processing centres. This is a short-term measure as the UK Government is working with partners to set up a sustainable battery recycling chain in the UK.

Batteries are a big subject. If you are looking to learn more about electric vehicle batteries, why not check out our webinar Under the Bonnet – EV Battery Misconceptions?

Remember, the UK and devolved national governments’ targets support a future where most cars will be electric. The UK Government is considering bringing forward the date for ending the sale of new petrol, diesel and hybrid cars and vans from 2040 to 2035 and Scottish Government aims to phase out the need for new petrol and diesel cars and vans by 2032.

Take the time now to get ahead and go electric.

Find out more about electric vehicles.

If you live in Scotland why not check out our electric vehicle loan and domestic charge point grant supported by Transport Scotland.



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