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e2 electric car

GEM e2 - 2 seat electric vehicle
The extremely agile e2 is great fun to drive and the zero road tax and the equivalent of around 375 miles per gallon will put a smile on your face too!

e4 electric people carrier

GEM e4 - 4 seat electric vehicle
Did you know if you purchase an e4 for business you can enjoy zero company car tax and write 100% of the purchase cost down against corporation tax

Vehicle Cost and Carbon Footprint Calculator

The GEM vehicle cost calculator has been specifically designed to help compare the running and maintenance costs of electric, petrol and hybrid vehicles as well as help calculate your carbon footprint by viewing your vehicles carbon dioxide emissions.

Running an electric car not only helps the environment but provides significant economic benefits, dramatically reduced fuel bills, free road tax, no congestion charges and cheaper service costs.

Our vehicles comparison also offers a Carbon footprint calculator to allow you to calculate carbon dioxide emissions.

GEM Ltd strives to raise awareness of environmental issues and the advantages an eco friendly electric vehicle can provide everyone. We believe both personally and commercially we have a duty to reduce our co2 emissions and help protect the planet.

Calculate your vehicle costs now to find out how much you could save while promoting a cleaner, greener, healthier life.

1. Vehicle Details

What is KWH?
If a 1000 watt item is used for one hour it will have used 1 kilowatt hour of electricity.

To find your cost per KWH, look at your electricity bill.

2. Vehicle Running Costs

Did You Know?
The London congestion charge is expected to raise an additional £35-45million per year to be invested in London's transport system.

3. Calculate Costs

Costs to run per year

Annual Road Tax
Congestion Charges
Services Charges

CO2 Emissions
Carbon Offsetting










£0 N/A


Total Savings Per Year£

Click the calculate savings button below to see how much money you can save by running a GEM battery electric vehicle versus your existing vehicle. The savings are calculated by comparing estimated refuelling costs, routine servicing, road tax and congestion charges.

Additional savings may be available through tax incentives and discounted parking. Why not subscribe to our blog for the latest legislation and money saving updates?

Carbon Offsetting

Human greenhouse gas emissions have gone from practically nothing to tens of billions of tons per year since the start of the industrial revolution. At present, over 30 billion tonnes of carbon dioxide (CO2) is emitted globally each year by burning fossil fuels, and another seven billion tonnes by changes of land use, mainly deforestation. Transport currently accounts for over 20% of the UK's carbon emissions and is a major contributor worldwide.

Switching to 100% electric powered vehicles for business and/or private use will help to reduce your carbon footprint significantly. However for even the most diligent of us, totally eliminating carbon emissions for most businesses and individuals is unrealistic which is where carbon offsetting is useful option. Carbon offsetting allows you to compensate for your unavoidable emissions by helping fund projects that deliver an equivalent CO2 saving elsewhere.

climate care logo

Climate Care is a leader in high quality carbon offset credits. They help lower business emissions and individual carbon footprints through credible, verified carbon reduction projects, because we all want to tackle climate change today; carbon offsetting offers a genuine way to act now.

carbon neutral logo

Since 1997 The Carbon Neutral Company has focused on helping businesses achieve value from reducing their carbon emissions. With offices in New York, London and Singapore, our global team combines experience working in international B2B corporations, carbon markets and trading, carbon project development, engineering, marketing communications, consulting and sustainable energy management with the United Nations.

co2 action logo

A cross government initiative involving the Department of Energy and Climate Change (DECC), the Department for Transport (DfT) and Department for Environment Food and Rural Affairs (DEFRA). This collective approach demonstrates the Government's commitment to taking action on climate change, working with businesses and individuals in order to reduce CO2 emissions.