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How does an electric car work?
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Quick answer
An electric car works by storing energy in a large battery and using it to spin an electric motor that turns the wheels — no engine, fuel, or exhaust. Pressing the accelerator simply sends more electricity to the motor. A big rechargeable battery pack stores energy, charged from the grid.
Step by step
- A big rechargeable battery pack stores energy, charged from the grid.
- An electric motor converts that electricity directly into motion — far more efficiently than burning fuel.
- Most EVs need no multi-gear gearbox; the motor delivers instant torque.
- Regenerative braking recaptures energy when slowing, feeding it back to the battery.
- With no combustion, there are no tailpipe emissions and far fewer moving parts.
People also ask
How far can an electric car go on one charge?
It varies by model and battery size — many modern EVs travel 250–500 km (about 150–300 miles) per charge, with range affected by speed, terrain, and weather.
What is regenerative braking?
When you slow down, the motor runs as a generator, turning the car's motion back into electricity and recharging the battery instead of wasting it as heat.
Are electric cars better for the environment?
They produce no tailpipe emissions; their overall footprint depends on how the electricity is generated, but they're generally cleaner, especially on a low-carbon grid.
How is an electric car different from a petrol car?
It uses a battery and electric motor instead of fuel and a combustion engine — quieter, simpler, and zero tailpipe emissions.
Part of the guide: Cars, Trains, Planes & Ships →