That people need energy on the way it's generated here is damaging nature.

This pollution is coming from the diesel generator, which powers the island's homes, transporting the diesels expensive on it's fueling climate change.

The local government want clean, renewable energy instead.

But wind power and solar power ebb and flow, so they need a way of storing energy for use at night time.

He is the chosen solution, the electric car, but not as we know it.

In future, electric vehicles here will be fitted with a reversible battery that stores energy for the electricity grid.

So how does a reversible battery work when the sun shining the electricity flows out of the grid, down the cable on into the car.

Then it's stored in the battery until nighttime, when it flows back out of the car, up the cable on into the grid to power people's homes.

The car is smart, so it keeps enough power for itself to be driven on Porto Santo.

Some police are already powered by electricity to run an effective backup for the local grid.

Half the cars on the island like this electric taxi will need to store power as well as using it.

So is this the road to the future?

Well, a couple of years ago, if you'd suggested that car batteries could play a major part in supporting an electricity grid, a lot of people would have laughed.

But that is exactly what's happened.

Electricity revolution is going to create a lot more surprises that people need energy, and the way it's generated here is damaging nature.

The local government want clean, renewable energy instead, In future, electric vehicles here will be fitted with a reversible battery.

In future, electric vehicles here will be fitted with a reversible battery that stores energy for the electricity grid on Porto Santo.

Some police are already powered by electricity.

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