Why electric cars are more efficient than fuel-burning cars

Good performance, low running costs and dramatically reduced emissions: all the promises of an electric car. However, EVs really do live up to their reputation. Electric vehicles are the future, and this new age of travel has already started. So, discover why going electric is better for your driving experience, your wallet, and the planet.

EV motor efficiency

Let's start with electric vehicle motor efficiency.

An EV directly converts electricity into movement. This makes it far more efficient than a conventional car, which has to burn fuel (creating heat) and then convert that heat into motion.

Did you know that an EV can be more than 70% efficient from the moment you turn it on? Even the best diesel engine, fully warmed up, struggles to get to 40% efficiency. In other words, a conventional car wastes well over half the energy in its fuel.

Reusing brake energy in electric cars

Unlike a conventional car – when an EV brakes, much of its energy is recovered and put back into the battery, so it's available to help it accelerate again. In a regular car the energy is simply converted into heat by the brakes and wasted. Overall, an EV might be two to three times more efficient than an equivalent conventional car when braking.

Efficient charging

However you charge your EV it should create fewer emissions than a conventional car. Use low-carbon electricity and there's simply no contest.

Charging up versus filling up will be better for your wallet in the long-run. In fact, you'll save over the years with an EV. Keen to more about the exact costs and savings of owning and running an EV? Read more about electric car costs here

If you want to be even more environmentally-friendly then charge up by generating your own renewable, zero-emission electricity! This way you'll be really minimising the environmental impact of using a car. Discover more about the ways you can generate energy at home. 

Everything EV

Electric cars are the future: the new generation of travel. And as the UK leader in low-carbon energy, we’re here to get you on the road and ahead of the curve.

We offer a range of electric car options – from our stand-alone EV tariff all the way up to our complete option that includes our tariff, charger and an electric car lease. Residential customers can get £100(1) towards charging their new electric car at home, as a credit on their energy account. To qualify, simply lease an electric car through us and sign up for an EDF electricity tariff.


A new era of travel starts here. Are you ready? Check out our latest leasing deals:

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