Want to save on petrol costs? Then lighten the load in your car.

The heavier the stuff you’re carrying around, the more effort it takes for your car to accelerate – and the more fuel it uses.

And removing a roof rack when it’s not needed can increase fuel consumption by up to 30 per cent.

Have a look at what’s rolling around the boot or the back seat.

On their own they might not amount to much, but together they could be costing you a packet.